Finding the Fourth Proportional to 140,301.88, 193,680.32 and 89,384.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,301.88 : 193,680.32 = 89,384.42 : x
2. Step 2: Convert to fraction form
   140,301.88/193,680.32 = 89,384.42/x
3. Step 3: Cross multiply
   140,301.88x = 193,680.32 × 89,384.42
4. Step 4: Simplify right side
   140,301.88x = 17,312,003,105.89
5. Step 5: Solve for x
   x = 17,312,003,105.89/140,301.88
6. Step 6: Final answer
   x = 123,391.10