Finding the Fourth Proportional to 173,479.50, 239,401.71 and 93,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,479.50 : 239,401.71 = 93,991.50 : x
2. Step 2: Convert to fraction form
   173,479.50/239,401.71 = 93,991.50/x
3. Step 3: Cross multiply
   173,479.50x = 239,401.71 × 93,991.50
4. Step 4: Simplify right side
   173,479.50x = 22,501,725,825.47
5. Step 5: Solve for x
   x = 22,501,725,825.47/173,479.50
6. Step 6: Final answer
   x = 129,708.27