Finding the Fourth Proportional to 2,003.75, 2,765.12 and 1,164.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.75 : 2,765.12 = 1,164.59 : x
2. Step 2: Convert to fraction form
   2,003.75/2,765.12 = 1,164.59/x
3. Step 3: Cross multiply
   2,003.75x = 2,765.12 × 1,164.59
4. Step 4: Simplify right side
   2,003.75x = 3,220,231.10
5. Step 5: Solve for x
   x = 3,220,231.10/2,003.75
6. Step 6: Final answer
   x = 1,607.10