Finding the Fourth Proportional to 140,766.56, 194,261.02 and 80,336

Step by Step Solution

1. Step 1: Write the proportion equation
   140,766.56 : 194,261.02 = 80,336 : x
2. Step 2: Convert to fraction form
   140,766.56/194,261.02 = 80,336/x
3. Step 3: Cross multiply
   140,766.56x = 194,261.02 × 80,336
4. Step 4: Simplify right side
   140,766.56x = 15,606,153,302.72
5. Step 5: Solve for x
   x = 15,606,153,302.72/140,766.56
6. Step 6: Final answer
   x = 110,865.49