Finding the Fourth Proportional to 1,820.96, 2,510.37 and 1,540.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.96 : 2,510.37 = 1,540.06 : x
2. Step 2: Convert to fraction form
   1,820.96/2,510.37 = 1,540.06/x
3. Step 3: Cross multiply
   1,820.96x = 2,510.37 × 1,540.06
4. Step 4: Simplify right side
   1,820.96x = 3,866,120.42
5. Step 5: Solve for x
   x = 3,866,120.42/1,820.96
6. Step 6: Final answer
   x = 2,123.12