Finding the Fourth Proportional to 143,925.92, 215,738.06 and 80,653.27

Step by Step Solution

1. Step 1: Write the proportion equation
   143,925.92 : 215,738.06 = 80,653.27 : x
2. Step 2: Convert to fraction form
   143,925.92/215,738.06 = 80,653.27/x
3. Step 3: Cross multiply
   143,925.92x = 215,738.06 × 80,653.27
4. Step 4: Simplify right side
   143,925.92x = 17,399,980,002.46
5. Step 5: Solve for x
   x = 17,399,980,002.46/143,925.92
6. Step 6: Final answer
   x = 120,895.39