Finding the Fourth Proportional to 123,662.46, 170,679.69 and 69,949.74

Step by Step Solution

1. Step 1: Write the proportion equation
   123,662.46 : 170,679.69 = 69,949.74 : x
2. Step 2: Convert to fraction form
   123,662.46/170,679.69 = 69,949.74/x
3. Step 3: Cross multiply
   123,662.46x = 170,679.69 × 69,949.74
4. Step 4: Simplify right side
   123,662.46x = 11,938,999,938.78
5. Step 5: Solve for x
   x = 11,938,999,938.78/123,662.46
6. Step 6: Final answer
   x = 96,545.06