Finding the Fourth Proportional to 124,401,522.24, 171,708,245.37 and 72,207,372.81

Step by Step Solution

1. Step 1: Write the proportion equation
   124,401,522.24 : 171,708,245.37 = 72,207,372.81 : x
2. Step 2: Convert to fraction form
   124,401,522.24/171,708,245.37 = 72,207,372.81/x
3. Step 3: Cross multiply
   124,401,522.24x = 171,708,245.37 × 72,207,372.81
4. Step 4: Simplify right side
   124,401,522.24x = 12,398,601,287,982,548
5. Step 5: Solve for x
   x = 12,398,601,287,982,548/124,401,522.24
6. Step 6: Final answer
   x = 99,665,993.35