Finding the Fourth Proportional to 91,732.86, 126,592.64 and 55,429.27

Step by Step Solution

1. Step 1: Write the proportion equation
   91,732.86 : 126,592.64 = 55,429.27 : x
2. Step 2: Convert to fraction form
   91,732.86/126,592.64 = 55,429.27/x
3. Step 3: Cross multiply
   91,732.86x = 126,592.64 × 55,429.27
4. Step 4: Simplify right side
   91,732.86x = 7,016,937,622.57
5. Step 5: Solve for x
   x = 7,016,937,622.57/91,732.86
6. Step 6: Final answer
   x = 76,493.17