Finding the Fourth Proportional to 744,591,807.34, 1,115,434,714.20 and 580,059,168.28

Step by Step Solution

1. Step 1: Write the proportion equation
   744,591,807.34 : 1,115,434,714.20 = 580,059,168.28 : x
2. Step 2: Convert to fraction form
   744,591,807.34/1,115,434,714.20 = 580,059,168.28/x
3. Step 3: Cross multiply
   744,591,807.34x = 1,115,434,714.20 × 580,059,168.28
4. Step 4: Simplify right side
   744,591,807.34x = 647,018,132,589,491,456
5. Step 5: Solve for x
   x = 647,018,132,589,491,456/744,591,807.34
6. Step 6: Final answer
   x = 868,956,824.68