Finding the Fourth Proportional to 140,787.54, 194,238.24 and 80,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   140,787.54 : 194,238.24 = 80,314.56 : x
2. Step 2: Convert to fraction form
   140,787.54/194,238.24 = 80,314.56/x
3. Step 3: Cross multiply
   140,787.54x = 194,238.24 × 80,314.56
4. Step 4: Simplify right side
   140,787.54x = 15,600,158,780.77
5. Step 5: Solve for x
   x = 15,600,158,780.77/140,787.54
6. Step 6: Final answer
   x = 110,806.39