Finding the Fourth Proportional to 123,397.94, 170,287.84 and 69,679.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123,397.94 : 170,287.84 = 69,679.82 : x
2. Step 2: Convert to fraction form
   123,397.94/170,287.84 = 69,679.82/x
3. Step 3: Cross multiply
   123,397.94x = 170,287.84 × 69,679.82
4. Step 4: Simplify right side
   123,397.94x = 11,865,626,039.39
5. Step 5: Solve for x
   x = 11,865,626,039.39/123,397.94
6. Step 6: Final answer
   x = 96,157.41