Finding the Fourth Proportional to 8,499.52, 11,730.12 and 5,143.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.52 : 11,730.12 = 5,143.16 : x
2. Step 2: Convert to fraction form
   8,499.52/11,730.12 = 5,143.16/x
3. Step 3: Cross multiply
   8,499.52x = 11,730.12 × 5,143.16
4. Step 4: Simplify right side
   8,499.52x = 60,329,883.98
5. Step 5: Solve for x
   x = 60,329,883.98/8,499.52
6. Step 6: Final answer
   x = 7,098.03