Finding the Fourth Proportional to 123,496.68, 170,433.27 and 75,743.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,496.68 : 170,433.27 = 75,743.52 : x
2. Step 2: Convert to fraction form
   123,496.68/170,433.27 = 75,743.52/x
3. Step 3: Cross multiply
   123,496.68x = 170,433.27 × 75,743.52
4. Step 4: Simplify right side
   123,496.68x = 12,909,215,794.91
5. Step 5: Solve for x
   x = 12,909,215,794.91/123,496.68
6. Step 6: Final answer
   x = 104,530.87