Finding the Fourth Proportional to 124,900,730.50, 172,381,046.15 and 71,967,304.03

Step by Step Solution

1. Step 1: Write the proportion equation
   124,900,730.50 : 172,381,046.15 = 71,967,304.03 : x
2. Step 2: Convert to fraction form
   124,900,730.50/172,381,046.15 = 71,967,304.03/x
3. Step 3: Cross multiply
   124,900,730.50x = 172,381,046.15 × 71,967,304.03
4. Step 4: Simplify right side
   124,900,730.50x = 12,405,799,157,286,512
5. Step 5: Solve for x
   x = 12,405,799,157,286,512/124,900,730.50
6. Step 6: Final answer
   x = 99,325,273.02