Finding the Fourth Proportional to 2,140.88, 2,956.42 and 2,024.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.88 : 2,956.42 = 2,024.39 : x
2. Step 2: Convert to fraction form
   2,140.88/2,956.42 = 2,024.39/x
3. Step 3: Cross multiply
   2,140.88x = 2,956.42 × 2,024.39
4. Step 4: Simplify right side
   2,140.88x = 5,984,932.30
5. Step 5: Solve for x
   x = 5,984,932.30/2,140.88
6. Step 6: Final answer
   x = 2,795.55