Finding the Fourth Proportional to 2,540.06, 3,800.56 and 2,101.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.06 : 3,800.56 = 2,101.52 : x
2. Step 2: Convert to fraction form
   2,540.06/3,800.56 = 2,101.52/x
3. Step 3: Cross multiply
   2,540.06x = 3,800.56 × 2,101.52
4. Step 4: Simplify right side
   2,540.06x = 7,986,956.26
5. Step 5: Solve for x
   x = 7,986,956.26/2,540.06
6. Step 6: Final answer
   x = 3,144.40