Finding the Fourth Proportional to 2,713.59, 4,071.87 and 1,252.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.59 : 4,071.87 = 1,252.71 : x
2. Step 2: Convert to fraction form
   2,713.59/4,071.87 = 1,252.71/x
3. Step 3: Cross multiply
   2,713.59x = 4,071.87 × 1,252.71
4. Step 4: Simplify right side
   2,713.59x = 5,100,872.27
5. Step 5: Solve for x
   x = 5,100,872.27/2,713.59
6. Step 6: Final answer
   x = 1,879.75