Finding the Fourth Proportional to 3,864.86, 5,798.37 and 1,269.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.86 : 5,798.37 = 1,269.62 : x
2. Step 2: Convert to fraction form
   3,864.86/5,798.37 = 1,269.62/x
3. Step 3: Cross multiply
   3,864.86x = 5,798.37 × 1,269.62
4. Step 4: Simplify right side
   3,864.86x = 7,361,726.52
5. Step 5: Solve for x
   x = 7,361,726.52/3,864.86
6. Step 6: Final answer
   x = 1,904.78