Finding the Fourth Proportional to 12,038.72, 16,610.24 and 8,263.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,038.72 : 16,610.24 = 8,263.04 : x
2. Step 2: Convert to fraction form
   12,038.72/16,610.24 = 8,263.04/x
3. Step 3: Cross multiply
   12,038.72x = 16,610.24 × 8,263.04
4. Step 4: Simplify right side
   12,038.72x = 137,251,077.53
5. Step 5: Solve for x
   x = 137,251,077.53/12,038.72
6. Step 6: Final answer
   x = 11,400.80