Finding the Fourth Proportional to 12,069.52, 18,099.15 and 5,499.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,069.52 : 18,099.15 = 5,499.88 : x
2. Step 2: Convert to fraction form
   12,069.52/18,099.15 = 5,499.88/x
3. Step 3: Cross multiply
   12,069.52x = 18,099.15 × 5,499.88
4. Step 4: Simplify right side
   12,069.52x = 99,543,153.10
5. Step 5: Solve for x
   x = 99,543,153.10/12,069.52
6. Step 6: Final answer
   x = 8,247.48