Finding the Fourth Proportional to 1,614.18, 2,425.61 and 874.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.18 : 2,425.61 = 874.27 : x
2. Step 2: Convert to fraction form
   1,614.18/2,425.61 = 874.27/x
3. Step 3: Cross multiply
   1,614.18x = 2,425.61 × 874.27
4. Step 4: Simplify right side
   1,614.18x = 2,120,636.45
5. Step 5: Solve for x
   x = 2,120,636.45/1,614.18
6. Step 6: Final answer
   x = 1,313.76