Finding the Fourth Proportional to 1,655.58, 2,284.05 and 956.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.58 : 2,284.05 = 956.82 : x
2. Step 2: Convert to fraction form
   1,655.58/2,284.05 = 956.82/x
3. Step 3: Cross multiply
   1,655.58x = 2,284.05 × 956.82
4. Step 4: Simplify right side
   1,655.58x = 2,185,424.72
5. Step 5: Solve for x
   x = 2,185,424.72/1,655.58
6. Step 6: Final answer
   x = 1,320.04