Finding the Fourth Proportional to 1,027,843,929.93, 1,418,426,422.72 and 557,945,569.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,843,929.93 : 1,418,426,422.72 = 557,945,569.20 : x
2. Step 2: Convert to fraction form
   1,027,843,929.93/1,418,426,422.72 = 557,945,569.20/x
3. Step 3: Cross multiply
   1,027,843,929.93x = 1,418,426,422.72 × 557,945,569.20
4. Step 4: Simplify right side
   1,027,843,929.93x = 791,404,737,796,712,960
5. Step 5: Solve for x
   x = 791,404,737,796,712,960/1,027,843,929.93
6. Step 6: Final answer
   x = 769,965,862.28