Finding the Fourth Proportional to 8,886.52, 12,269.16 and 5,530.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886.52 : 12,269.16 = 5,530.69 : x
2. Step 2: Convert to fraction form
   8,886.52/12,269.16 = 5,530.69/x
3. Step 3: Cross multiply
   8,886.52x = 12,269.16 × 5,530.69
4. Step 4: Simplify right side
   8,886.52x = 67,856,935.86
5. Step 5: Solve for x
   x = 67,856,935.86/8,886.52
6. Step 6: Final answer
   x = 7,635.94