Finding the Fourth Proportional to 1,414.24, 2,111.71 and 1,248.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.24 : 2,111.71 = 1,248.31 : x
2. Step 2: Convert to fraction form
   1,414.24/2,111.71 = 1,248.31/x
3. Step 3: Cross multiply
   1,414.24x = 2,111.71 × 1,248.31
4. Step 4: Simplify right side
   1,414.24x = 2,636,068.71
5. Step 5: Solve for x
   x = 2,636,068.71/1,414.24
6. Step 6: Final answer
   x = 1,863.95