Finding the Fourth Proportional to 10,585.97, 15,894.58 and 5,915.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,585.97 : 15,894.58 = 5,915.15 : x
2. Step 2: Convert to fraction form
   10,585.97/15,894.58 = 5,915.15/x
3. Step 3: Cross multiply
   10,585.97x = 15,894.58 × 5,915.15
4. Step 4: Simplify right side
   10,585.97x = 94,018,824.89
5. Step 5: Solve for x
   x = 94,018,824.89/10,585.97
6. Step 6: Final answer
   x = 8,881.46