Finding the Fourth Proportional to 80,849.71, 121,050.65 and 41,321.71

Step by Step Solution

1. Step 1: Write the proportion equation
   80,849.71 : 121,050.65 = 41,321.71 : x
2. Step 2: Convert to fraction form
   80,849.71/121,050.65 = 41,321.71/x
3. Step 3: Cross multiply
   80,849.71x = 121,050.65 × 41,321.71
4. Step 4: Simplify right side
   80,849.71x = 5,002,019,648.00
5. Step 5: Solve for x
   x = 5,002,019,648.00/80,849.71
6. Step 6: Final answer
   x = 61,868.12