Finding the Fourth Proportional to 25,146.72, 37,719.12 and 8,508

Step by Step Solution

1. Step 1: Write the proportion equation
   25,146.72 : 37,719.12 = 8,508 : x
2. Step 2: Convert to fraction form
   25,146.72/37,719.12 = 8,508/x
3. Step 3: Cross multiply
   25,146.72x = 37,719.12 × 8,508
4. Step 4: Simplify right side
   25,146.72x = 320,914,272.96
5. Step 5: Solve for x
   x = 320,914,272.96/25,146.72
6. Step 6: Final answer
   x = 12,761.68