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Finding the Fourth Proportional to 99,013.51, 136,636.86 and 55,992.34

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Solution

The fourth proportional to 99,013.51, 136,636.86 and 55,992.34 is: 77,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013.51 : 136,636.86 = 55,992.34 : x
  2. Step 2: Convert to fraction form
    99,013.51/136,636.86 = 55,992.34/x
  3. Step 3: Cross multiply
    99,013.51x = 136,636.86 × 55,992.34
  4. Step 4: Simplify right side
    99,013.51x = 7,650,617,521.65
  5. Step 5: Solve for x
    x = 7,650,617,521.65/99,013.51
  6. Step 6: Final answer
    x = 77,268.42

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