Finding the Fourth Proportional to 2,762.88, 3,812.78 and 1,520.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.88 : 3,812.78 = 1,520.88 : x
2. Step 2: Convert to fraction form
   2,762.88/3,812.78 = 1,520.88/x
3. Step 3: Cross multiply
   2,762.88x = 3,812.78 × 1,520.88
4. Step 4: Simplify right side
   2,762.88x = 5,798,780.85
5. Step 5: Solve for x
   x = 5,798,780.85/2,762.88
6. Step 6: Final answer
   x = 2,098.82