Finding the Fourth Proportional to 80,875.27, 121,284.96 and 30,969.55

Step by Step Solution

1. Step 1: Write the proportion equation
   80,875.27 : 121,284.96 = 30,969.55 : x
2. Step 2: Convert to fraction form
   80,875.27/121,284.96 = 30,969.55/x
3. Step 3: Cross multiply
   80,875.27x = 121,284.96 × 30,969.55
4. Step 4: Simplify right side
   80,875.27x = 3,756,140,632.97
5. Step 5: Solve for x
   x = 3,756,140,632.97/80,875.27
6. Step 6: Final answer
   x = 46,443.62