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Finding the Fourth Proportional to 45,415.99, 68,128.62 and 17,359.65

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Solution

The fourth proportional to 45,415.99, 68,128.62 and 17,359.65 is: 26,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.99 : 68,128.62 = 17,359.65 : x
  2. Step 2: Convert to fraction form
    45,415.99/68,128.62 = 17,359.65/x
  3. Step 3: Cross multiply
    45,415.99x = 68,128.62 × 17,359.65
  4. Step 4: Simplify right side
    45,415.99x = 1,182,688,911.38
  5. Step 5: Solve for x
    x = 1,182,688,911.38/45,415.99
  6. Step 6: Final answer
    x = 26,041.25

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