Finding the Fourth Proportional to 125,926.83, 173,773.89 and 72,174.42

Step by Step Solution

1. Step 1: Write the proportion equation
   125,926.83 : 173,773.89 = 72,174.42 : x
2. Step 2: Convert to fraction form
   125,926.83/173,773.89 = 72,174.42/x
3. Step 3: Cross multiply
   125,926.83x = 173,773.89 × 72,174.42
4. Step 4: Simplify right side
   125,926.83x = 12,542,029,721.89
5. Step 5: Solve for x
   x = 12,542,029,721.89/125,926.83
6. Step 6: Final answer
   x = 99,597.76