Finding the Fourth Proportional to 2,123.54, 3,182.67 and 1,540.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.54 : 3,182.67 = 1,540.53 : x
2. Step 2: Convert to fraction form
   2,123.54/3,182.67 = 1,540.53/x
3. Step 3: Cross multiply
   2,123.54x = 3,182.67 × 1,540.53
4. Step 4: Simplify right side
   2,123.54x = 4,902,998.62
5. Step 5: Solve for x
   x = 4,902,998.62/2,123.54
6. Step 6: Final answer
   x = 2,308.89