Finding the Fourth Proportional to 60,557.28, 91,404.72 and 60,557.28

Step by Step Solution

1. Step 1: Write the proportion equation
   60,557.28 : 91,404.72 = 60,557.28 : x
2. Step 2: Convert to fraction form
   60,557.28/91,404.72 = 60,557.28/x
3. Step 3: Cross multiply
   60,557.28x = 91,404.72 × 60,557.28
4. Step 4: Simplify right side
   60,557.28x = 5,535,221,222.36
5. Step 5: Solve for x
   x = 5,535,221,222.36/60,557.28
6. Step 6: Final answer
   x = 91,404.72