Finding the Fourth Proportional to 3,440.86, 5,160.27 and 1,859.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,440.86 : 5,160.27 = 1,859.33 : x
2. Step 2: Convert to fraction form
   3,440.86/5,160.27 = 1,859.33/x
3. Step 3: Cross multiply
   3,440.86x = 5,160.27 × 1,859.33
4. Step 4: Simplify right side
   3,440.86x = 9,594,644.82
5. Step 5: Solve for x
   x = 9,594,644.82/3,440.86
6. Step 6: Final answer
   x = 2,788.44