Finding the Fourth Proportional to 123,363.36, 170,240.76 and 69,647.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,363.36 : 170,240.76 = 69,647.88 : x
2. Step 2: Convert to fraction form
   123,363.36/170,240.76 = 69,647.88/x
3. Step 3: Cross multiply
   123,363.36x = 170,240.76 × 69,647.88
4. Step 4: Simplify right side
   123,363.36x = 11,856,908,023.59
5. Step 5: Solve for x
   x = 11,856,908,023.59/123,363.36
6. Step 6: Final answer
   x = 96,113.69