Finding the Fourth Proportional to 329,222.12, 454,334.82 and 201,968.04

Step by Step Solution

1. Step 1: Write the proportion equation
   329,222.12 : 454,334.82 = 201,968.04 : x
2. Step 2: Convert to fraction form
   329,222.12/454,334.82 = 201,968.04/x
3. Step 3: Cross multiply
   329,222.12x = 454,334.82 × 201,968.04
4. Step 4: Simplify right side
   329,222.12x = 91,761,113,099.15
5. Step 5: Solve for x
   x = 91,761,113,099.15/329,222.12
6. Step 6: Final answer
   x = 278,720.98