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Finding the Fourth Proportional to 78,365.70, 108,146.81 and 46,102.59

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Solution

The fourth proportional to 78,365.70, 108,146.81 and 46,102.59 is: 63,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,365.70 : 108,146.81 = 46,102.59 : x
  2. Step 2: Convert to fraction form
    78,365.70/108,146.81 = 46,102.59/x
  3. Step 3: Cross multiply
    78,365.70x = 108,146.81 × 46,102.59
  4. Step 4: Simplify right side
    78,365.70x = 4,985,848,041.24
  5. Step 5: Solve for x
    x = 4,985,848,041.24/78,365.70
  6. Step 6: Final answer
    x = 63,622.84

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