Finding the Fourth Proportional to 25,007.76, 34,510.50 and 13,677.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,007.76 : 34,510.50 = 13,677.48 : x
2. Step 2: Convert to fraction form
   25,007.76/34,510.50 = 13,677.48/x
3. Step 3: Cross multiply
   25,007.76x = 34,510.50 × 13,677.48
4. Step 4: Simplify right side
   25,007.76x = 472,016,673.54
5. Step 5: Solve for x
   x = 472,016,673.54/25,007.76
6. Step 6: Final answer
   x = 18,874.81