Finding the Fourth Proportional to 25,105.58, 37,648.78 and 8,461.14

Step by Step Solution

1. Step 1: Write the proportion equation
   25,105.58 : 37,648.78 = 8,461.14 : x
2. Step 2: Convert to fraction form
   25,105.58/37,648.78 = 8,461.14/x
3. Step 3: Cross multiply
   25,105.58x = 37,648.78 × 8,461.14
4. Step 4: Simplify right side
   25,105.58x = 318,551,598.41
5. Step 5: Solve for x
   x = 318,551,598.41/25,105.58
6. Step 6: Final answer
   x = 12,688.48