Finding the Fourth Proportional to 10,081.59, 15,125.45 and 5,154.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.59 : 15,125.45 = 5,154.68 : x
2. Step 2: Convert to fraction form
   10,081.59/15,125.45 = 5,154.68/x
3. Step 3: Cross multiply
   10,081.59x = 15,125.45 × 5,154.68
4. Step 4: Simplify right side
   10,081.59x = 77,966,854.61
5. Step 5: Solve for x
   x = 77,966,854.61/10,081.59
6. Step 6: Final answer
   x = 7,733.59