Finding the Fourth Proportional to 10,381.38, 15,546.96 and 7,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.38 : 15,546.96 = 7,264.50 : x
2. Step 2: Convert to fraction form
   10,381.38/15,546.96 = 7,264.50/x
3. Step 3: Cross multiply
   10,381.38x = 15,546.96 × 7,264.50
4. Step 4: Simplify right side
   10,381.38x = 112,940,890.92
5. Step 5: Solve for x
   x = 112,940,890.92/10,381.38
6. Step 6: Final answer
   x = 10,879.18