Finding the Fourth Proportional to 9,068.24, 12,516.16 and 5,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,068.24 : 12,516.16 = 5,530.72 : x
2. Step 2: Convert to fraction form
   9,068.24/12,516.16 = 5,530.72/x
3. Step 3: Cross multiply
   9,068.24x = 12,516.16 × 5,530.72
4. Step 4: Simplify right side
   9,068.24x = 69,223,376.44
5. Step 5: Solve for x
   x = 69,223,376.44/9,068.24
6. Step 6: Final answer
   x = 7,633.61