Finding the Fourth Proportional to 10,614.52, 15,919.71 and 10,087.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,614.52 : 15,919.71 = 10,087.68 : x
2. Step 2: Convert to fraction form
   10,614.52/15,919.71 = 10,087.68/x
3. Step 3: Cross multiply
   10,614.52x = 15,919.71 × 10,087.68
4. Step 4: Simplify right side
   10,614.52x = 160,592,940.17
5. Step 5: Solve for x
   x = 160,592,940.17/10,614.52
6. Step 6: Final answer
   x = 15,129.55