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Finding the Fourth Proportional to 257,795.46, 386,713.95 and 97,947.98

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Solution

The fourth proportional to 257,795.46, 386,713.95 and 97,947.98 is: 146,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,795.46 : 386,713.95 = 97,947.98 : x
  2. Step 2: Convert to fraction form
    257,795.46/386,713.95 = 97,947.98/x
  3. Step 3: Cross multiply
    257,795.46x = 386,713.95 × 97,947.98
  4. Step 4: Simplify right side
    257,795.46x = 37,877,851,564.89
  5. Step 5: Solve for x
    x = 37,877,851,564.89/257,795.46
  6. Step 6: Final answer
    x = 146,929.86

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