Finding the Fourth Proportional to 3,883.94, 5,826.52 and 1,287.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883.94 : 5,826.52 = 1,287.48 : x
2. Step 2: Convert to fraction form
   3,883.94/5,826.52 = 1,287.48/x
3. Step 3: Cross multiply
   3,883.94x = 5,826.52 × 1,287.48
4. Step 4: Simplify right side
   3,883.94x = 7,501,527.97
5. Step 5: Solve for x
   x = 7,501,527.97/3,883.94
6. Step 6: Final answer
   x = 1,931.42