Finding the Fourth Proportional to 2,842.48, 4,263.69 and 762.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.48 : 4,263.69 = 762.42 : x
2. Step 2: Convert to fraction form
   2,842.48/4,263.69 = 762.42/x
3. Step 3: Cross multiply
   2,842.48x = 4,263.69 × 762.42
4. Step 4: Simplify right side
   2,842.48x = 3,250,722.53
5. Step 5: Solve for x
   x = 3,250,722.53/2,842.48
6. Step 6: Final answer
   x = 1,143.62