Finding the Fourth Proportional to 8,834.88, 12,187.06 and 5,517.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,834.88 : 12,187.06 = 5,517.12 : x
2. Step 2: Convert to fraction form
   8,834.88/12,187.06 = 5,517.12/x
3. Step 3: Cross multiply
   8,834.88x = 12,187.06 × 5,517.12
4. Step 4: Simplify right side
   8,834.88x = 67,237,472.47
5. Step 5: Solve for x
   x = 67,237,472.47/8,834.88
6. Step 6: Final answer
   x = 7,610.46