Finding the Fourth Proportional to 2,052.40, 3,077.88 and 956.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.40 : 3,077.88 = 956.56 : x
2. Step 2: Convert to fraction form
   2,052.40/3,077.88 = 956.56/x
3. Step 3: Cross multiply
   2,052.40x = 3,077.88 × 956.56
4. Step 4: Simplify right side
   2,052.40x = 2,944,176.89
5. Step 5: Solve for x
   x = 2,944,176.89/2,052.40
6. Step 6: Final answer
   x = 1,434.50