Finding the Fourth Proportional to 2,323.56, 3,204.37 and 2,155.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.56 : 3,204.37 = 2,155.89 : x
2. Step 2: Convert to fraction form
   2,323.56/3,204.37 = 2,155.89/x
3. Step 3: Cross multiply
   2,323.56x = 3,204.37 × 2,155.89
4. Step 4: Simplify right side
   2,323.56x = 6,908,269.24
5. Step 5: Solve for x
   x = 6,908,269.24/2,323.56
6. Step 6: Final answer
   x = 2,973.14