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Finding the Fourth Proportional to 26,716.80, 36,837.76 and 21,407.36

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Solution

The fourth proportional to 26,716.80, 36,837.76 and 21,407.36 is: 29,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.80 : 36,837.76 = 21,407.36 : x
  2. Step 2: Convert to fraction form
    26,716.80/36,837.76 = 21,407.36/x
  3. Step 3: Cross multiply
    26,716.80x = 36,837.76 × 21,407.36
  4. Step 4: Simplify right side
    26,716.80x = 788,599,189.91
  5. Step 5: Solve for x
    x = 788,599,189.91/26,716.80
  6. Step 6: Final answer
    x = 29,516.98

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