Finding the Fourth Proportional to 3,827.39, 5,737.43 and 1,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,827.39 : 5,737.43 = 1,228.50 : x
2. Step 2: Convert to fraction form
   3,827.39/5,737.43 = 1,228.50/x
3. Step 3: Cross multiply
   3,827.39x = 5,737.43 × 1,228.50
4. Step 4: Simplify right side
   3,827.39x = 7,048,435.83
5. Step 5: Solve for x
   x = 7,048,435.83/3,827.39
6. Step 6: Final answer
   x = 1,841.58