Finding the Fourth Proportional to 172,870.50, 238,561.29 and 93,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,870.50 : 238,561.29 = 93,382.50 : x
2. Step 2: Convert to fraction form
   172,870.50/238,561.29 = 93,382.50/x
3. Step 3: Cross multiply
   172,870.50x = 238,561.29 × 93,382.50
4. Step 4: Simplify right side
   172,870.50x = 22,277,449,663.43
5. Step 5: Solve for x
   x = 22,277,449,663.43/172,870.50
6. Step 6: Final answer
   x = 128,867.85