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Finding the Fourth Proportional to 472,942.60, 709,478.70 and 157,366.60

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Solution

The fourth proportional to 472,942.60, 709,478.70 and 157,366.60 is: 236,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,942.60 : 709,478.70 = 157,366.60 : x
  2. Step 2: Convert to fraction form
    472,942.60/709,478.70 = 157,366.60/x
  3. Step 3: Cross multiply
    472,942.60x = 709,478.70 × 157,366.60
  4. Step 4: Simplify right side
    472,942.60x = 111,648,250,791.42
  5. Step 5: Solve for x
    x = 111,648,250,791.42/472,942.60
  6. Step 6: Final answer
    x = 236,071.46

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