Finding the Fourth Proportional to 3,828.71, 5,743.34 and 1,055.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828.71 : 5,743.34 = 1,055.59 : x
2. Step 2: Convert to fraction form
   3,828.71/5,743.34 = 1,055.59/x
3. Step 3: Cross multiply
   3,828.71x = 5,743.34 × 1,055.59
4. Step 4: Simplify right side
   3,828.71x = 6,062,612.27
5. Step 5: Solve for x
   x = 6,062,612.27/3,828.71
6. Step 6: Final answer
   x = 1,583.46