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Finding the Fourth Proportional to 107,779.10, 148,723.97 and 66,379.52

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Solution

The fourth proportional to 107,779.10, 148,723.97 and 66,379.52 is: 91,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779.10 : 148,723.97 = 66,379.52 : x
  2. Step 2: Convert to fraction form
    107,779.10/148,723.97 = 66,379.52/x
  3. Step 3: Cross multiply
    107,779.10x = 148,723.97 × 66,379.52
  4. Step 4: Simplify right side
    107,779.10x = 9,872,224,665.58
  5. Step 5: Solve for x
    x = 9,872,224,665.58/107,779.10
  6. Step 6: Final answer
    x = 91,596.84

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