Finding the Fourth Proportional to 2,824.89, 3,890.48 and 2,275.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.89 : 3,890.48 = 2,275.71 : x
2. Step 2: Convert to fraction form
   2,824.89/3,890.48 = 2,275.71/x
3. Step 3: Cross multiply
   2,824.89x = 3,890.48 × 2,275.71
4. Step 4: Simplify right side
   2,824.89x = 8,853,592.86
5. Step 5: Solve for x
   x = 8,853,592.86/2,824.89
6. Step 6: Final answer
   x = 3,134.14