Finding the Fourth Proportional to 8,876, 12,248.88 and 5,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,876 : 12,248.88 = 5,150.72 : x
2. Step 2: Convert to fraction form
   8,876/12,248.88 = 5,150.72/x
3. Step 3: Cross multiply
   8,876x = 12,248.88 × 5,150.72
4. Step 4: Simplify right side
   8,876x = 63,090,551.19
5. Step 5: Solve for x
   x = 63,090,551.19/8,876
6. Step 6: Final answer
   x = 7,107.99