Finding the Fourth Proportional to 91,654.32, 126,471.72 and 55,831.32

Step by Step Solution

1. Step 1: Write the proportion equation
   91,654.32 : 126,471.72 = 55,831.32 : x
2. Step 2: Convert to fraction form
   91,654.32/126,471.72 = 55,831.32/x
3. Step 3: Cross multiply
   91,654.32x = 126,471.72 × 55,831.32
4. Step 4: Simplify right side
   91,654.32x = 7,061,083,070.27
5. Step 5: Solve for x
   x = 7,061,083,070.27/91,654.32
6. Step 6: Final answer
   x = 77,040.37