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Finding the Fourth Proportional to 58,779.20, 88,168.80 and 57,904.40

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Solution

The fourth proportional to 58,779.20, 88,168.80 and 57,904.40 is: 86,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.20 : 88,168.80 = 57,904.40 : x
  2. Step 2: Convert to fraction form
    58,779.20/88,168.80 = 57,904.40/x
  3. Step 3: Cross multiply
    58,779.20x = 88,168.80 × 57,904.40
  4. Step 4: Simplify right side
    58,779.20x = 5,105,361,462.72
  5. Step 5: Solve for x
    x = 5,105,361,462.72/58,779.20
  6. Step 6: Final answer
    x = 86,856.60

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