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Finding the Fourth Proportional to 104,809.31, 144,637.45 and 57,062.54

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Solution

The fourth proportional to 104,809.31, 144,637.45 and 57,062.54 is: 78,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,809.31 : 144,637.45 = 57,062.54 : x
  2. Step 2: Convert to fraction form
    104,809.31/144,637.45 = 57,062.54/x
  3. Step 3: Cross multiply
    104,809.31x = 144,637.45 × 57,062.54
  4. Step 4: Simplify right side
    104,809.31x = 8,253,380,495.06
  5. Step 5: Solve for x
    x = 8,253,380,495.06/104,809.31
  6. Step 6: Final answer
    x = 78,746.64

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