Finding the Fourth Proportional to 10,941,680.88, 16,397,849.52 and 8,515,763.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,941,680.88 : 16,397,849.52 = 8,515,763.28 : x
2. Step 2: Convert to fraction form
   10,941,680.88/16,397,849.52 = 8,515,763.28/x
3. Step 3: Cross multiply
   10,941,680.88x = 16,397,849.52 × 8,515,763.28
4. Step 4: Simplify right side
   10,941,680.88x = 139,640,204,813,381.61
5. Step 5: Solve for x
   x = 139,640,204,813,381.61/10,941,680.88
6. Step 6: Final answer
   x = 12,762,226.06