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Finding the Fourth Proportional to 338,971.80, 467,779.78 and 186,012.56

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Solution

The fourth proportional to 338,971.80, 467,779.78 and 186,012.56 is: 256,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,971.80 : 467,779.78 = 186,012.56 : x
  2. Step 2: Convert to fraction form
    338,971.80/467,779.78 = 186,012.56/x
  3. Step 3: Cross multiply
    338,971.80x = 467,779.78 × 186,012.56
  4. Step 4: Simplify right side
    338,971.80x = 87,012,914,394.04
  5. Step 5: Solve for x
    x = 87,012,914,394.04/338,971.80
  6. Step 6: Final answer
    x = 256,696.62

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