Finding the Fourth Proportional to 140,100.75, 193,339.08 and 89,799.75

Step by Step Solution

1. Step 1: Write the proportion equation
   140,100.75 : 193,339.08 = 89,799.75 : x
2. Step 2: Convert to fraction form
   140,100.75/193,339.08 = 89,799.75/x
3. Step 3: Cross multiply
   140,100.75x = 193,339.08 × 89,799.75
4. Step 4: Simplify right side
   140,100.75x = 17,361,801,049.23
5. Step 5: Solve for x
   x = 17,361,801,049.23/140,100.75
6. Step 6: Final answer
   x = 123,923.68