Finding the Fourth Proportional to 2,762.16, 4,143.12 and 1,300.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.16 : 4,143.12 = 1,300.80 : x
2. Step 2: Convert to fraction form
   2,762.16/4,143.12 = 1,300.80/x
3. Step 3: Cross multiply
   2,762.16x = 4,143.12 × 1,300.80
4. Step 4: Simplify right side
   2,762.16x = 5,389,370.50
5. Step 5: Solve for x
   x = 5,389,370.50/2,762.16
6. Step 6: Final answer
   x = 1,951.14