Finding the Fourth Proportional to 2,842.18, 4,263.78 and 1,176.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.18 : 4,263.78 = 1,176.31 : x
2. Step 2: Convert to fraction form
   2,842.18/4,263.78 = 1,176.31/x
3. Step 3: Cross multiply
   2,842.18x = 4,263.78 × 1,176.31
4. Step 4: Simplify right side
   2,842.18x = 5,015,527.05
5. Step 5: Solve for x
   x = 5,015,527.05/2,842.18
6. Step 6: Final answer
   x = 1,764.68