Finding the Fourth Proportional to 1,655.51, 2,284.81 and 956.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.51 : 2,284.81 = 956.75 : x
2. Step 2: Convert to fraction form
   1,655.51/2,284.81 = 956.75/x
3. Step 3: Cross multiply
   1,655.51x = 2,284.81 × 956.75
4. Step 4: Simplify right side
   1,655.51x = 2,185,978.15
5. Step 5: Solve for x
   x = 2,185,978.15/1,655.51
6. Step 6: Final answer
   x = 1,320.43