Finding the Fourth Proportional to 80,900.34, 121,272.12 and 30,941.97

Step by Step Solution

1. Step 1: Write the proportion equation
   80,900.34 : 121,272.12 = 30,941.97 : x
2. Step 2: Convert to fraction form
   80,900.34/121,272.12 = 30,941.97/x
3. Step 3: Cross multiply
   80,900.34x = 121,272.12 × 30,941.97
4. Step 4: Simplify right side
   80,900.34x = 3,752,398,298.88
5. Step 5: Solve for x
   x = 3,752,398,298.88/80,900.34
6. Step 6: Final answer
   x = 46,382.97