Finding the Fourth Proportional to 124,900,730.56, 172,381,046.23 and 71,967,304.07

Step by Step Solution

1. Step 1: Write the proportion equation
   124,900,730.56 : 172,381,046.23 = 71,967,304.07 : x
2. Step 2: Convert to fraction form
   124,900,730.56/172,381,046.23 = 71,967,304.07/x
3. Step 3: Cross multiply
   124,900,730.56x = 172,381,046.23 × 71,967,304.07
4. Step 4: Simplify right side
   124,900,730.56x = 12,405,799,169,813,618
5. Step 5: Solve for x
   x = 12,405,799,169,813,618/124,900,730.56
6. Step 6: Final answer
   x = 99,325,273.07