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Finding the Fourth Proportional to 228,182.60, 342,201.12 and 78,386.77

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Solution

The fourth proportional to 228,182.60, 342,201.12 and 78,386.77 is: 117,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,182.60 : 342,201.12 = 78,386.77 : x
  2. Step 2: Convert to fraction form
    228,182.60/342,201.12 = 78,386.77/x
  3. Step 3: Cross multiply
    228,182.60x = 342,201.12 × 78,386.77
  4. Step 4: Simplify right side
    228,182.60x = 26,824,040,950.75
  5. Step 5: Solve for x
    x = 26,824,040,950.75/228,182.60
  6. Step 6: Final answer
    x = 117,555.15

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