Finding the Fourth Proportional to 172,826, 238,499.88 and 93,338

Step by Step Solution

1. Step 1: Write the proportion equation
   172,826 : 238,499.88 = 93,338 : x
2. Step 2: Convert to fraction form
   172,826/238,499.88 = 93,338/x
3. Step 3: Cross multiply
   172,826x = 238,499.88 × 93,338
4. Step 4: Simplify right side
   172,826x = 22,261,101,799.44
5. Step 5: Solve for x
   x = 22,261,101,799.44/172,826
6. Step 6: Final answer
   x = 128,806.44