Finding the Fourth Proportional to 25,089.86, 37,640.56 and 8,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,089.86 : 37,640.56 = 8,449.50 : x
2. Step 2: Convert to fraction form
   25,089.86/37,640.56 = 8,449.50/x
3. Step 3: Cross multiply
   25,089.86x = 37,640.56 × 8,449.50
4. Step 4: Simplify right side
   25,089.86x = 318,043,911.72
5. Step 5: Solve for x
   x = 318,043,911.72/25,089.86
6. Step 6: Final answer
   x = 12,676.19