Finding the Fourth Proportional to 1,555.33, 2,146.27 and 965.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555.33 : 2,146.27 = 965.85 : x
2. Step 2: Convert to fraction form
   1,555.33/2,146.27 = 965.85/x
3. Step 3: Cross multiply
   1,555.33x = 2,146.27 × 965.85
4. Step 4: Simplify right side
   1,555.33x = 2,072,967.10
5. Step 5: Solve for x
   x = 2,072,967.10/1,555.33
6. Step 6: Final answer
   x = 1,332.82