Finding the Fourth Proportional to 2,067,376,238.91, 3,099,321,231.89 and 901,989,957.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067,376,238.91 : 3,099,321,231.89 = 901,989,957.15 : x
2. Step 2: Convert to fraction form
   2,067,376,238.91/3,099,321,231.89 = 901,989,957.15/x
3. Step 3: Cross multiply
   2,067,376,238.91x = 3,099,321,231.89 × 901,989,957.15
4. Step 4: Simplify right side
   2,067,376,238.91x = 2,795,556,625,142,036,480
5. Step 5: Solve for x
   x = 2,795,556,625,142,036,480/2,067,376,238.91
6. Step 6: Final answer
   x = 1,352,224,414.95