Finding the Fourth Proportional to 10,838.88, 16,269.18 and 7,317.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.88 : 16,269.18 = 7,317.72 : x
2. Step 2: Convert to fraction form
   10,838.88/16,269.18 = 7,317.72/x
3. Step 3: Cross multiply
   10,838.88x = 16,269.18 × 7,317.72
4. Step 4: Simplify right side
   10,838.88x = 119,053,303.87
5. Step 5: Solve for x
   x = 119,053,303.87/10,838.88
6. Step 6: Final answer
   x = 10,983.91