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Finding the Fourth Proportional to 228,666.11, 343,037.74 and 78,866.33

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Solution

The fourth proportional to 228,666.11, 343,037.74 and 78,866.33 is: 118,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,666.11 : 343,037.74 = 78,866.33 : x
  2. Step 2: Convert to fraction form
    228,666.11/343,037.74 = 78,866.33/x
  3. Step 3: Cross multiply
    228,666.11x = 343,037.74 × 78,866.33
  4. Step 4: Simplify right side
    228,666.11x = 27,054,127,605.29
  5. Step 5: Solve for x
    x = 27,054,127,605.29/228,666.11
  6. Step 6: Final answer
    x = 118,312.80

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