Finding the Fourth Proportional to 25,121.02, 34,672.04 and 15,055.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,121.02 : 34,672.04 = 15,055.42 : x
2. Step 2: Convert to fraction form
   25,121.02/34,672.04 = 15,055.42/x
3. Step 3: Cross multiply
   25,121.02x = 34,672.04 × 15,055.42
4. Step 4: Simplify right side
   25,121.02x = 522,002,124.46
5. Step 5: Solve for x
   x = 522,002,124.46/25,121.02
6. Step 6: Final answer
   x = 20,779.50