Finding the Fourth Proportional to 2,176.18, 3,005.25 and 1,859.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.18 : 3,005.25 = 1,859.59 : x
2. Step 2: Convert to fraction form
   2,176.18/3,005.25 = 1,859.59/x
3. Step 3: Cross multiply
   2,176.18x = 3,005.25 × 1,859.59
4. Step 4: Simplify right side
   2,176.18x = 5,588,532.85
5. Step 5: Solve for x
   x = 5,588,532.85/2,176.18
6. Step 6: Final answer
   x = 2,568.05