Finding the Fourth Proportional to 1,209.34, 1,668.61 and 737.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209.34 : 1,668.61 = 737.10 : x
2. Step 2: Convert to fraction form
   1,209.34/1,668.61 = 737.10/x
3. Step 3: Cross multiply
   1,209.34x = 1,668.61 × 737.10
4. Step 4: Simplify right side
   1,209.34x = 1,229,932.43
5. Step 5: Solve for x
   x = 1,229,932.43/1,209.34
6. Step 6: Final answer
   x = 1,017.03