Finding the Fourth Proportional to 1,499,036,915.79, 2,068,735,590.77 and 829,981,975.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,036,915.79 : 2,068,735,590.77 = 829,981,975.05 : x
2. Step 2: Convert to fraction form
   1,499,036,915.79/2,068,735,590.77 = 829,981,975.05/x
3. Step 3: Cross multiply
   1,499,036,915.79x = 2,068,735,590.77 × 829,981,975.05
4. Step 4: Simplify right side
   1,499,036,915.79x = 1,717,013,251,479,363,328
5. Step 5: Solve for x
   x = 1,717,013,251,479,363,328/1,499,036,915.79
6. Step 6: Final answer
   x = 1,145,410,919.10