Finding the Fourth Proportional to 124,261,960.82, 171,443,506.10 and 72,040,575.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124,261,960.82 : 171,443,506.10 = 72,040,575.56 : x
2. Step 2: Convert to fraction form
   124,261,960.82/171,443,506.10 = 72,040,575.56/x
3. Step 3: Cross multiply
   124,261,960.82x = 171,443,506.10 × 72,040,575.56
4. Step 4: Simplify right side
   124,261,960.82x = 12,350,888,854,250,952
5. Step 5: Solve for x
   x = 12,350,888,854,250,952/124,261,960.82
6. Step 6: Final answer
   x = 99,393,963.96