Finding the Fourth Proportional to 2,764.59, 4,151.04 and 2,378.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.59 : 4,151.04 = 2,378.79 : x
2. Step 2: Convert to fraction form
   2,764.59/4,151.04 = 2,378.79/x
3. Step 3: Cross multiply
   2,764.59x = 4,151.04 × 2,378.79
4. Step 4: Simplify right side
   2,764.59x = 9,874,443.52
5. Step 5: Solve for x
   x = 9,874,443.52/2,764.59
6. Step 6: Final answer
   x = 3,571.76