Finding the Fourth Proportional to 91,772.29, 126,742.02 and 63,165.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91,772.29 : 126,742.02 = 63,165.83 : x
2. Step 2: Convert to fraction form
   91,772.29/126,742.02 = 63,165.83/x
3. Step 3: Cross multiply
   91,772.29x = 126,742.02 × 63,165.83
4. Step 4: Simplify right side
   91,772.29x = 8,005,764,018.59
5. Step 5: Solve for x
   x = 8,005,764,018.59/91,772.29
6. Step 6: Final answer
   x = 87,235.09