Finding the Fourth Proportional to 2,600.52, 3,899.52 and 956.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.52 : 3,899.52 = 956.64 : x
2. Step 2: Convert to fraction form
   2,600.52/3,899.52 = 956.64/x
3. Step 3: Cross multiply
   2,600.52x = 3,899.52 × 956.64
4. Step 4: Simplify right side
   2,600.52x = 3,730,436.81
5. Step 5: Solve for x
   x = 3,730,436.81/2,600.52
6. Step 6: Final answer
   x = 1,434.50