Finding the Fourth Proportional to 2,713.89, 4,068.53 and 2,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.89 : 4,068.53 = 2,584.72 : x
2. Step 2: Convert to fraction form
   2,713.89/4,068.53 = 2,584.72/x
3. Step 3: Cross multiply
   2,713.89x = 4,068.53 × 2,584.72
4. Step 4: Simplify right side
   2,713.89x = 10,516,010.86
5. Step 5: Solve for x
   x = 10,516,010.86/2,713.89
6. Step 6: Final answer
   x = 3,874.88