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Finding the Fourth Proportional to 30,804.13, 42,509.66 and 16,656.94

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Solution

The fourth proportional to 30,804.13, 42,509.66 and 16,656.94 is: 22,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.13 : 42,509.66 = 16,656.94 : x
  2. Step 2: Convert to fraction form
    30,804.13/42,509.66 = 16,656.94/x
  3. Step 3: Cross multiply
    30,804.13x = 42,509.66 × 16,656.94
  4. Step 4: Simplify right side
    30,804.13x = 708,080,791.41
  5. Step 5: Solve for x
    x = 708,080,791.41/30,804.13
  6. Step 6: Final answer
    x = 22,986.56

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