Finding the Fourth Proportional to 125,925.72, 173,738.46 and 71,469

Step by Step Solution

1. Step 1: Write the proportion equation
   125,925.72 : 173,738.46 = 71,469 : x
2. Step 2: Convert to fraction form
   125,925.72/173,738.46 = 71,469/x
3. Step 3: Cross multiply
   125,925.72x = 173,738.46 × 71,469
4. Step 4: Simplify right side
   125,925.72x = 12,416,913,997.74
5. Step 5: Solve for x
   x = 12,416,913,997.74/125,925.72
6. Step 6: Final answer
   x = 98,605.07