Finding the Fourth Proportional to 12,676,929.28, 19,008,512.16 and 5,756,608.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676,929.28 : 19,008,512.16 = 5,756,608.82 : x
2. Step 2: Convert to fraction form
   12,676,929.28/19,008,512.16 = 5,756,608.82/x
3. Step 3: Cross multiply
   12,676,929.28x = 19,008,512.16 × 5,756,608.82
4. Step 4: Simplify right side
   12,676,929.28x = 109,424,568,755,333.25
5. Step 5: Solve for x
   x = 109,424,568,755,333.25/12,676,929.28
6. Step 6: Final answer
   x = 8,631,788.21