Finding the Fourth Proportional to 123,293.52, 170,145 and 69,589.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,293.52 : 170,145 = 69,589.80 : x
2. Step 2: Convert to fraction form
   123,293.52/170,145 = 69,589.80/x
3. Step 3: Cross multiply
   123,293.52x = 170,145 × 69,589.80
4. Step 4: Simplify right side
   123,293.52x = 11,840,356,521
5. Step 5: Solve for x
   x = 11,840,356,521/123,293.52
6. Step 6: Final answer
   x = 96,033.89