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Finding the Fourth Proportional to 363,478.97, 545,329.63 and 186,111.45

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Solution

The fourth proportional to 363,478.97, 545,329.63 and 186,111.45 is: 279,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,478.97 : 545,329.63 = 186,111.45 : x
  2. Step 2: Convert to fraction form
    363,478.97/545,329.63 = 186,111.45/x
  3. Step 3: Cross multiply
    363,478.97x = 545,329.63 × 186,111.45
  4. Step 4: Simplify right side
    363,478.97x = 101,492,088,167.26
  5. Step 5: Solve for x
    x = 101,492,088,167.26/363,478.97
  6. Step 6: Final answer
    x = 279,224.10

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