Finding the Fourth Proportional to 2,524,065,484.86, 3,786,175,358.68 and 865,949,510.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524,065,484.86 : 3,786,175,358.68 = 865,949,510.98 : x
2. Step 2: Convert to fraction form
   2,524,065,484.86/3,786,175,358.68 = 865,949,510.98/x
3. Step 3: Cross multiply
   2,524,065,484.86x = 3,786,175,358.68 × 865,949,510.98
4. Step 4: Simplify right side
   2,524,065,484.86x = 3,278,636,700,333,472,256
5. Step 5: Solve for x
   x = 3,278,636,700,333,472,256/2,524,065,484.86
6. Step 6: Final answer
   x = 1,298,950,728.50