Finding the Fourth Proportional to 1,414.50, 2,124.18 and 1,285.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.50 : 2,124.18 = 1,285.71 : x
2. Step 2: Convert to fraction form
   1,414.50/2,124.18 = 1,285.71/x
3. Step 3: Cross multiply
   1,414.50x = 2,124.18 × 1,285.71
4. Step 4: Simplify right side
   1,414.50x = 2,731,079.47
5. Step 5: Solve for x
   x = 2,731,079.47/1,414.50
6. Step 6: Final answer
   x = 1,930.77