Finding the Fourth Proportional to 3,968.84, 5,476.76 and 2,200.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.84 : 5,476.76 = 2,200.34 : x
2. Step 2: Convert to fraction form
   3,968.84/5,476.76 = 2,200.34/x
3. Step 3: Cross multiply
   3,968.84x = 5,476.76 × 2,200.34
4. Step 4: Simplify right side
   3,968.84x = 12,050,734.10
5. Step 5: Solve for x
   x = 12,050,734.10/3,968.84
6. Step 6: Final answer
   x = 3,036.34