Finding the Fourth Proportional to 2,540.06, 3,807.47 and 1,442.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.06 : 3,807.47 = 1,442.10 : x
2. Step 2: Convert to fraction form
   2,540.06/3,807.47 = 1,442.10/x
3. Step 3: Cross multiply
   2,540.06x = 3,807.47 × 1,442.10
4. Step 4: Simplify right side
   2,540.06x = 5,490,770.37
5. Step 5: Solve for x
   x = 5,490,770.37/2,540.06
6. Step 6: Final answer
   x = 2,161.67