Finding the Fourth Proportional to 25,100.57, 37,643.16 and 8,456.13

Step by Step Solution

1. Step 1: Write the proportion equation
   25,100.57 : 37,643.16 = 8,456.13 : x
2. Step 2: Convert to fraction form
   25,100.57/37,643.16 = 8,456.13/x
3. Step 3: Cross multiply
   25,100.57x = 37,643.16 × 8,456.13
4. Step 4: Simplify right side
   25,100.57x = 318,315,454.57
5. Step 5: Solve for x
   x = 318,315,454.57/25,100.57
6. Step 6: Final answer
   x = 12,681.61