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Finding the Fourth Proportional to 46,188.51, 69,282.79 and 11,128.20

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Solution

The fourth proportional to 46,188.51, 69,282.79 and 11,128.20 is: 16,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,188.51 : 69,282.79 = 11,128.20 : x
  2. Step 2: Convert to fraction form
    46,188.51/69,282.79 = 11,128.20/x
  3. Step 3: Cross multiply
    46,188.51x = 69,282.79 × 11,128.20
  4. Step 4: Simplify right side
    46,188.51x = 770,992,397.26
  5. Step 5: Solve for x
    x = 770,992,397.26/46,188.51
  6. Step 6: Final answer
    x = 16,692.30

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