Finding the Fourth Proportional to 2,146.33, 3,216.71 and 1,159.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.33 : 3,216.71 = 1,159.55 : x
2. Step 2: Convert to fraction form
   2,146.33/3,216.71 = 1,159.55/x
3. Step 3: Cross multiply
   2,146.33x = 3,216.71 × 1,159.55
4. Step 4: Simplify right side
   2,146.33x = 3,729,936.08
5. Step 5: Solve for x
   x = 3,729,936.08/2,146.33
6. Step 6: Final answer
   x = 1,737.82