Finding the Fourth Proportional to 3,887.52, 5,831.27 and 965.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.52 : 5,831.27 = 965.81 : x
2. Step 2: Convert to fraction form
   3,887.52/5,831.27 = 965.81/x
3. Step 3: Cross multiply
   3,887.52x = 5,831.27 × 965.81
4. Step 4: Simplify right side
   3,887.52x = 5,631,864.89
5. Step 5: Solve for x
   x = 5,631,864.89/3,887.52
6. Step 6: Final answer
   x = 1,448.70