Finding the Fourth Proportional to 2,762.88, 4,142.76 and 2,527.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.88 : 4,142.76 = 2,527.50 : x
2. Step 2: Convert to fraction form
   2,762.88/4,142.76 = 2,527.50/x
3. Step 3: Cross multiply
   2,762.88x = 4,142.76 × 2,527.50
4. Step 4: Simplify right side
   2,762.88x = 10,470,825.90
5. Step 5: Solve for x
   x = 10,470,825.90/2,762.88
6. Step 6: Final answer
   x = 3,789.82