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Finding the Fourth Proportional to 191,197.13, 286,795.69 and 91,053.72

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Solution

The fourth proportional to 191,197.13, 286,795.69 and 91,053.72 is: 136,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,197.13 : 286,795.69 = 91,053.72 : x
  2. Step 2: Convert to fraction form
    191,197.13/286,795.69 = 91,053.72/x
  3. Step 3: Cross multiply
    191,197.13x = 286,795.69 × 91,053.72
  4. Step 4: Simplify right side
    191,197.13x = 26,113,814,226.83
  5. Step 5: Solve for x
    x = 26,113,814,226.83/191,197.13
  6. Step 6: Final answer
    x = 136,580.58

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