Finding the Fourth Proportional to 25,105.10, 37,648.04 and 8,460.65

Step by Step Solution

1. Step 1: Write the proportion equation
   25,105.10 : 37,648.04 = 8,460.65 : x
2. Step 2: Convert to fraction form
   25,105.10/37,648.04 = 8,460.65/x
3. Step 3: Cross multiply
   25,105.10x = 37,648.04 × 8,460.65
4. Step 4: Simplify right side
   25,105.10x = 318,526,659.08
5. Step 5: Solve for x
   x = 318,526,659.08/25,105.10
6. Step 6: Final answer
   x = 12,687.73