Finding the Fourth Proportional to 144,399.94, 199,271.37 and 80,737.54

Step by Step Solution

1. Step 1: Write the proportion equation
   144,399.94 : 199,271.37 = 80,737.54 : x
2. Step 2: Convert to fraction form
   144,399.94/199,271.37 = 80,737.54/x
3. Step 3: Cross multiply
   144,399.94x = 199,271.37 × 80,737.54
4. Step 4: Simplify right side
   144,399.94x = 16,088,680,206.23
5. Step 5: Solve for x
   x = 16,088,680,206.23/144,399.94
6. Step 6: Final answer
   x = 111,417.50