Finding the Fourth Proportional to 496,142,669.97, 744,157,218.78 and 132,665,369.49

Step by Step Solution

1. Step 1: Write the proportion equation
   496,142,669.97 : 744,157,218.78 = 132,665,369.49 : x
2. Step 2: Convert to fraction form
   496,142,669.97/744,157,218.78 = 132,665,369.49/x
3. Step 3: Cross multiply
   496,142,669.97x = 744,157,218.78 × 132,665,369.49
4. Step 4: Simplify right side
   496,142,669.97x = 98,723,892,388,099,456
5. Step 5: Solve for x
   x = 98,723,892,388,099,456/496,142,669.97
6. Step 6: Final answer
   x = 198,982,869.98