Finding the Fourth Proportional to 194,920.79, 268,993.98 and 108,887.31

Step by Step Solution

1. Step 1: Write the proportion equation
   194,920.79 : 268,993.98 = 108,887.31 : x
2. Step 2: Convert to fraction form
   194,920.79/268,993.98 = 108,887.31/x
3. Step 3: Cross multiply
   194,920.79x = 268,993.98 × 108,887.31
4. Step 4: Simplify right side
   194,920.79x = 29,290,030,888.39
5. Step 5: Solve for x
   x = 29,290,030,888.39/194,920.79
6. Step 6: Final answer
   x = 150,266.33