Finding the Fourth Proportional to 91,610.56, 137,236.92 and 63,142.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,610.56 : 137,236.92 = 63,142.42 : x
2. Step 2: Convert to fraction form
   91,610.56/137,236.92 = 63,142.42/x
3. Step 3: Cross multiply
   91,610.56x = 137,236.92 × 63,142.42
4. Step 4: Simplify right side
   91,610.56x = 8,665,471,242.15
5. Step 5: Solve for x
   x = 8,665,471,242.15/91,610.56
6. Step 6: Final answer
   x = 94,590.31