Finding the Fourth Proportional to 2,004.10, 2,991.50 and 1,859.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.10 : 2,991.50 = 1,859.56 : x
2. Step 2: Convert to fraction form
   2,004.10/2,991.50 = 1,859.56/x
3. Step 3: Cross multiply
   2,004.10x = 2,991.50 × 1,859.56
4. Step 4: Simplify right side
   2,004.10x = 5,562,873.74
5. Step 5: Solve for x
   x = 5,562,873.74/2,004.10
6. Step 6: Final answer
   x = 2,775.75