Finding the Fourth Proportional to 60,978.57, 91,465.11 and 25,425.24

Step by Step Solution

1. Step 1: Write the proportion equation
   60,978.57 : 91,465.11 = 25,425.24 : x
2. Step 2: Convert to fraction form
   60,978.57/91,465.11 = 25,425.24/x
3. Step 3: Cross multiply
   60,978.57x = 91,465.11 × 25,425.24
4. Step 4: Simplify right side
   60,978.57x = 2,325,522,373.38
5. Step 5: Solve for x
   x = 2,325,522,373.38/60,978.57
6. Step 6: Final answer
   x = 38,136.72