Finding the Fourth Proportional to 10,343.25, 15,520.69 and 5,599.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.25 : 15,520.69 = 5,599.28 : x
2. Step 2: Convert to fraction form
   10,343.25/15,520.69 = 5,599.28/x
3. Step 3: Cross multiply
   10,343.25x = 15,520.69 × 5,599.28
4. Step 4: Simplify right side
   10,343.25x = 86,904,689.10
5. Step 5: Solve for x
   x = 86,904,689.10/10,343.25
6. Step 6: Final answer
   x = 8,402.07