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Finding the Fourth Proportional to 10,437.21, 15,661.89 and 3,867.98

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Solution

The fourth proportional to 10,437.21, 15,661.89 and 3,867.98 is: 5,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.21 : 15,661.89 = 3,867.98 : x
  2. Step 2: Convert to fraction form
    10,437.21/15,661.89 = 3,867.98/x
  3. Step 3: Cross multiply
    10,437.21x = 15,661.89 × 3,867.98
  4. Step 4: Simplify right side
    10,437.21x = 60,579,798.97
  5. Step 5: Solve for x
    x = 60,579,798.97/10,437.21
  6. Step 6: Final answer
    x = 5,804.21

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