Finding the Fourth Proportional to 795,661,799.31, 1,090,061,959.32 and 765,839,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   795,661,799.31 : 1,090,061,959.32 = 765,839,790.72 : x
2. Step 2: Convert to fraction form
   795,661,799.31/1,090,061,959.32 = 765,839,790.72/x
3. Step 3: Cross multiply
   795,661,799.31x = 1,090,061,959.32 × 765,839,790.72
4. Step 4: Simplify right side
   795,661,799.31x = 834,812,822,797,461,888
5. Step 5: Solve for x
   x = 834,812,822,797,461,888/795,661,799.31
6. Step 6: Final answer
   x = 1,049,205,609.12