Finding the Fourth Proportional to 3,838.28, 5,754.46 and 1,240.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838.28 : 5,754.46 = 1,240.52 : x
2. Step 2: Convert to fraction form
   3,838.28/5,754.46 = 1,240.52/x
3. Step 3: Cross multiply
   3,838.28x = 5,754.46 × 1,240.52
4. Step 4: Simplify right side
   3,838.28x = 7,138,522.72
5. Step 5: Solve for x
   x = 7,138,522.72/3,838.28
6. Step 6: Final answer
   x = 1,859.82