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Finding the Fourth Proportional to 18,804.12, 25,949.70 and 10,420.62

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Solution

The fourth proportional to 18,804.12, 25,949.70 and 10,420.62 is: 14,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.12 : 25,949.70 = 10,420.62 : x
  2. Step 2: Convert to fraction form
    18,804.12/25,949.70 = 10,420.62/x
  3. Step 3: Cross multiply
    18,804.12x = 25,949.70 × 10,420.62
  4. Step 4: Simplify right side
    18,804.12x = 270,411,962.81
  5. Step 5: Solve for x
    x = 270,411,962.81/18,804.12
  6. Step 6: Final answer
    x = 14,380.46

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