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Finding the Fourth Proportional to 56,937.60, 85,406.40 and 35,942.40

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Solution

The fourth proportional to 56,937.60, 85,406.40 and 35,942.40 is: 53,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.60 : 85,406.40 = 35,942.40 : x
  2. Step 2: Convert to fraction form
    56,937.60/85,406.40 = 35,942.40/x
  3. Step 3: Cross multiply
    56,937.60x = 85,406.40 × 35,942.40
  4. Step 4: Simplify right side
    56,937.60x = 3,069,710,991.36
  5. Step 5: Solve for x
    x = 3,069,710,991.36/56,937.60
  6. Step 6: Final answer
    x = 53,913.60

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