Finding the Fourth Proportional to 25,098.75, 37,647.03 and 8,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,098.75 : 37,647.03 = 8,458.72 : x
2. Step 2: Convert to fraction form
   25,098.75/37,647.03 = 8,458.72/x
3. Step 3: Cross multiply
   25,098.75x = 37,647.03 × 8,458.72
4. Step 4: Simplify right side
   25,098.75x = 318,445,685.60
5. Step 5: Solve for x
   x = 318,445,685.60/25,098.75
6. Step 6: Final answer
   x = 12,687.71