Finding the Fourth Proportional to 2,451.89, 3,383.55 and 1,332.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.89 : 3,383.55 = 1,332.78 : x
2. Step 2: Convert to fraction form
   2,451.89/3,383.55 = 1,332.78/x
3. Step 3: Cross multiply
   2,451.89x = 3,383.55 × 1,332.78
4. Step 4: Simplify right side
   2,451.89x = 4,509,527.77
5. Step 5: Solve for x
   x = 4,509,527.77/2,451.89
6. Step 6: Final answer
   x = 1,839.20