Finding the Fourth Proportional to 87,878, 131,839.49 and 25,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,878 : 131,839.49 = 25,548.50 : x
2. Step 2: Convert to fraction form
   87,878/131,839.49 = 25,548.50/x
3. Step 3: Cross multiply
   87,878x = 131,839.49 × 25,548.50
4. Step 4: Simplify right side
   87,878x = 3,368,301,082.52
5. Step 5: Solve for x
   x = 3,368,301,082.52/87,878
6. Step 6: Final answer
   x = 38,329.29