Finding the Fourth Proportional to 745,686,108.16, 1,029,487,750.72 and 662,950,978.24

Step by Step Solution

1. Step 1: Write the proportion equation
   745,686,108.16 : 1,029,487,750.72 = 662,950,978.24 : x
2. Step 2: Convert to fraction form
   745,686,108.16/1,029,487,750.72 = 662,950,978.24/x
3. Step 3: Cross multiply
   745,686,108.16x = 1,029,487,750.72 × 662,950,978.24
4. Step 4: Simplify right side
   745,686,108.16x = 682,499,911,425,921,280
5. Step 5: Solve for x
   x = 682,499,911,425,921,280/745,686,108.16
6. Step 6: Final answer
   x = 915,264,350.45