Finding the Fourth Proportional to 2,339.89, 3,506.80 and 951.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.89 : 3,506.80 = 951.60 : x
2. Step 2: Convert to fraction form
   2,339.89/3,506.80 = 951.60/x
3. Step 3: Cross multiply
   2,339.89x = 3,506.80 × 951.60
4. Step 4: Simplify right side
   2,339.89x = 3,337,066.12
5. Step 5: Solve for x
   x = 3,337,066.12/2,339.89
6. Step 6: Final answer
   x = 1,426.17