Finding the Fourth Proportional to 2,476.71, 3,713.31 and 1,243.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.71 : 3,713.31 = 1,243.23 : x
2. Step 2: Convert to fraction form
   2,476.71/3,713.31 = 1,243.23/x
3. Step 3: Cross multiply
   2,476.71x = 3,713.31 × 1,243.23
4. Step 4: Simplify right side
   2,476.71x = 4,616,498.39
5. Step 5: Solve for x
   x = 4,616,498.39/2,476.71
6. Step 6: Final answer
   x = 1,863.96