Finding the Fourth Proportional to 1,425.71, 1,967.63 and 1,314.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.71 : 1,967.63 = 1,314.54 : x
2. Step 2: Convert to fraction form
   1,425.71/1,967.63 = 1,314.54/x
3. Step 3: Cross multiply
   1,425.71x = 1,967.63 × 1,314.54
4. Step 4: Simplify right side
   1,425.71x = 2,586,521.77
5. Step 5: Solve for x
   x = 2,586,521.77/1,425.71
6. Step 6: Final answer
   x = 1,814.20