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Finding the Fourth Proportional to 408,059.10, 612,289.80 and 183,578.40

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Solution

The fourth proportional to 408,059.10, 612,289.80 and 183,578.40 is: 275,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,059.10 : 612,289.80 = 183,578.40 : x
  2. Step 2: Convert to fraction form
    408,059.10/612,289.80 = 183,578.40/x
  3. Step 3: Cross multiply
    408,059.10x = 612,289.80 × 183,578.40
  4. Step 4: Simplify right side
    408,059.10x = 112,403,181,820.32
  5. Step 5: Solve for x
    x = 112,403,181,820.32/408,059.10
  6. Step 6: Final answer
    x = 275,458.09

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