Finding the Fourth Proportional to 91,105.28, 125,697.39 and 52,851.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,105.28 : 125,697.39 = 52,851.56 : x
2. Step 2: Convert to fraction form
   91,105.28/125,697.39 = 52,851.56/x
3. Step 3: Cross multiply
   91,105.28x = 125,697.39 × 52,851.56
4. Step 4: Simplify right side
   91,105.28x = 6,643,303,829.25
5. Step 5: Solve for x
   x = 6,643,303,829.25/91,105.28
6. Step 6: Final answer
   x = 72,918.98