Finding the Fourth Proportional to 743,856,100.72, 1,027,937,158.58 and 557,894,266

Step by Step Solution

1. Step 1: Write the proportion equation
   743,856,100.72 : 1,027,937,158.58 = 557,894,266 : x
2. Step 2: Convert to fraction form
   743,856,100.72/1,027,937,158.58 = 557,894,266/x
3. Step 3: Cross multiply
   743,856,100.72x = 1,027,937,158.58 × 557,894,266
4. Step 4: Simplify right side
   743,856,100.72x = 573,480,246,580,114,752
5. Step 5: Solve for x
   x = 573,480,246,580,114,752/743,856,100.72
6. Step 6: Final answer
   x = 770,955,895.94