Finding the Fourth Proportional to 1,425.27, 1,967.01 and 865.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.27 : 1,967.01 = 865.61 : x
2. Step 2: Convert to fraction form
   1,425.27/1,967.01 = 865.61/x
3. Step 3: Cross multiply
   1,425.27x = 1,967.01 × 865.61
4. Step 4: Simplify right side
   1,425.27x = 1,702,663.53
5. Step 5: Solve for x
   x = 1,702,663.53/1,425.27
6. Step 6: Final answer
   x = 1,194.63