Finding the Fourth Proportional to 2,354.13, 3,528.42 and 966.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.13 : 3,528.42 = 966.78 : x
2. Step 2: Convert to fraction form
   2,354.13/3,528.42 = 966.78/x
3. Step 3: Cross multiply
   2,354.13x = 3,528.42 × 966.78
4. Step 4: Simplify right side
   2,354.13x = 3,411,205.89
5. Step 5: Solve for x
   x = 3,411,205.89/2,354.13
6. Step 6: Final answer
   x = 1,449.03