Finding the Fourth Proportional to 91,730.16, 126,610.16 and 55,939.92

Step by Step Solution

1. Step 1: Write the proportion equation
   91,730.16 : 126,610.16 = 55,939.92 : x
2. Step 2: Convert to fraction form
   91,730.16/126,610.16 = 55,939.92/x
3. Step 3: Cross multiply
   91,730.16x = 126,610.16 × 55,939.92
4. Step 4: Simplify right side
   91,730.16x = 7,082,562,221.59
5. Step 5: Solve for x
   x = 7,082,562,221.59/91,730.16
6. Step 6: Final answer
   x = 77,210.83