Finding the Fourth Proportional to 123,787.50, 170,826.33 and 67,198.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,787.50 : 170,826.33 = 67,198.47 : x
2. Step 2: Convert to fraction form
   123,787.50/170,826.33 = 67,198.47/x
3. Step 3: Cross multiply
   123,787.50x = 170,826.33 × 67,198.47
4. Step 4: Simplify right side
   123,787.50x = 11,479,268,011.72
5. Step 5: Solve for x
   x = 11,479,268,011.72/123,787.50
6. Step 6: Final answer
   x = 92,733.66