Finding the Fourth Proportional to 80,851.34, 121,272.96 and 30,955.34

Step by Step Solution

1. Step 1: Write the proportion equation
   80,851.34 : 121,272.96 = 30,955.34 : x
2. Step 2: Convert to fraction form
   80,851.34/121,272.96 = 30,955.34/x
3. Step 3: Cross multiply
   80,851.34x = 121,272.96 × 30,955.34
4. Step 4: Simplify right side
   80,851.34x = 3,754,045,709.61
5. Step 5: Solve for x
   x = 3,754,045,709.61/80,851.34
6. Step 6: Final answer
   x = 46,431.46