Finding the Fourth Proportional to 140,970.54, 194,521.41 and 80,545.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,970.54 : 194,521.41 = 80,545.10 : x
2. Step 2: Convert to fraction form
   140,970.54/194,521.41 = 80,545.10/x
3. Step 3: Cross multiply
   140,970.54x = 194,521.41 × 80,545.10
4. Step 4: Simplify right side
   140,970.54x = 15,667,745,447.98
5. Step 5: Solve for x
   x = 15,667,745,447.98/140,970.54
6. Step 6: Final answer
   x = 111,141.98