Finding the Fourth Proportional to 2,762.52, 4,144.20 and 913.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.52 : 4,144.20 = 913.83 : x
2. Step 2: Convert to fraction form
   2,762.52/4,144.20 = 913.83/x
3. Step 3: Cross multiply
   2,762.52x = 4,144.20 × 913.83
4. Step 4: Simplify right side
   2,762.52x = 3,787,094.29
5. Step 5: Solve for x
   x = 3,787,094.29/2,762.52
6. Step 6: Final answer
   x = 1,370.88