Finding the Fourth Proportional to 10,974.72, 15,140.82 and 6,496.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.72 : 15,140.82 = 6,496.86 : x
2. Step 2: Convert to fraction form
   10,974.72/15,140.82 = 6,496.86/x
3. Step 3: Cross multiply
   10,974.72x = 15,140.82 × 6,496.86
4. Step 4: Simplify right side
   10,974.72x = 98,367,787.83
5. Step 5: Solve for x
   x = 98,367,787.83/10,974.72
6. Step 6: Final answer
   x = 8,963.13