Finding the Fourth Proportional to 140,082.75, 193,314.20 and 89,781.75

Step by Step Solution

1. Step 1: Write the proportion equation
   140,082.75 : 193,314.20 = 89,781.75 : x
2. Step 2: Convert to fraction form
   140,082.75/193,314.20 = 89,781.75/x
3. Step 3: Cross multiply
   140,082.75x = 193,314.20 × 89,781.75
4. Step 4: Simplify right side
   140,082.75x = 17,356,086,726.94
5. Step 5: Solve for x
   x = 17,356,086,726.94/140,082.75
6. Step 6: Final answer
   x = 123,898.82