Finding the Fourth Proportional to 2,020,749,719.24, 2,788,604,934.82 and 1,128,689,464.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,749,719.24 : 2,788,604,934.82 = 1,128,689,464.16 : x
2. Step 2: Convert to fraction form
   2,020,749,719.24/2,788,604,934.82 = 1,128,689,464.16/x
3. Step 3: Cross multiply
   2,020,749,719.24x = 2,788,604,934.82 × 1,128,689,464.16
4. Step 4: Simplify right side
   2,020,749,719.24x = 3,147,469,009,635,917,824
5. Step 5: Solve for x
   x = 3,147,469,009,635,917,824/2,020,749,719.24
6. Step 6: Final answer
   x = 1,557,574,884.05