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Finding the Fourth Proportional to 22,369.02, 30,869.31 and 12,809.06

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Solution

The fourth proportional to 22,369.02, 30,869.31 and 12,809.06 is: 17,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,369.02 : 30,869.31 = 12,809.06 : x
  2. Step 2: Convert to fraction form
    22,369.02/30,869.31 = 12,809.06/x
  3. Step 3: Cross multiply
    22,369.02x = 30,869.31 × 12,809.06
  4. Step 4: Simplify right side
    22,369.02x = 395,406,843.95
  5. Step 5: Solve for x
    x = 395,406,843.95/22,369.02
  6. Step 6: Final answer
    x = 17,676.54

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