Finding the Fourth Proportional to 10,640,389.89, 15,962,826.84 and 3,451,363.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,640,389.89 : 15,962,826.84 = 3,451,363.30 : x
2. Step 2: Convert to fraction form
   10,640,389.89/15,962,826.84 = 3,451,363.30/x
3. Step 3: Cross multiply
   10,640,389.89x = 15,962,826.84 × 3,451,363.30
4. Step 4: Simplify right side
   10,640,389.89x = 55,093,514,719,830.97
5. Step 5: Solve for x
   x = 55,093,514,719,830.97/10,640,389.89
6. Step 6: Final answer
   x = 5,177,772.18