Finding the Fourth Proportional to 2,586.18, 3,571.83 and 2,003.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.18 : 3,571.83 = 2,003.76 : x
2. Step 2: Convert to fraction form
   2,586.18/3,571.83 = 2,003.76/x
3. Step 3: Cross multiply
   2,586.18x = 3,571.83 × 2,003.76
4. Step 4: Simplify right side
   2,586.18x = 7,157,090.08
5. Step 5: Solve for x
   x = 7,157,090.08/2,586.18
6. Step 6: Final answer
   x = 2,767.44