Finding the Fourth Proportional to 194,662.28, 268,633.38 and 109,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,662.28 : 268,633.38 = 109,778.72 : x
2. Step 2: Convert to fraction form
   194,662.28/268,633.38 = 109,778.72/x
3. Step 3: Cross multiply
   194,662.28x = 268,633.38 × 109,778.72
4. Step 4: Simplify right side
   194,662.28x = 29,490,228,605.67
5. Step 5: Solve for x
   x = 29,490,228,605.67/194,662.28
6. Step 6: Final answer
   x = 151,494.31