Finding the Fourth Proportional to 3,753.24, 5,623.69 and 1,286.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.24 : 5,623.69 = 1,286.71 : x
2. Step 2: Convert to fraction form
   3,753.24/5,623.69 = 1,286.71/x
3. Step 3: Cross multiply
   3,753.24x = 5,623.69 × 1,286.71
4. Step 4: Simplify right side
   3,753.24x = 7,236,023.61
5. Step 5: Solve for x
   x = 7,236,023.61/3,753.24
6. Step 6: Final answer
   x = 1,927.94