Finding the Fourth Proportional to 2,565.47, 3,845.82 and 1,393.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.47 : 3,845.82 = 1,393.76 : x
2. Step 2: Convert to fraction form
   2,565.47/3,845.82 = 1,393.76/x
3. Step 3: Cross multiply
   2,565.47x = 3,845.82 × 1,393.76
4. Step 4: Simplify right side
   2,565.47x = 5,360,150.08
5. Step 5: Solve for x
   x = 5,360,150.08/2,565.47
6. Step 6: Final answer
   x = 2,089.34