Finding the Fourth Proportional to 123,443.98, 170,363.18 and 69,738.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,443.98 : 170,363.18 = 69,738.84 : x
2. Step 2: Convert to fraction form
   123,443.98/170,363.18 = 69,738.84/x
3. Step 3: Cross multiply
   123,443.98x = 170,363.18 × 69,738.84
4. Step 4: Simplify right side
   123,443.98x = 11,880,930,551.91
5. Step 5: Solve for x
   x = 11,880,930,551.91/123,443.98
6. Step 6: Final answer
   x = 96,245.52