Finding the Fourth Proportional to 2,003.70, 2,765.02 and 1,152.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.70 : 2,765.02 = 1,152.89 : x
2. Step 2: Convert to fraction form
   2,003.70/2,765.02 = 1,152.89/x
3. Step 3: Cross multiply
   2,003.70x = 2,765.02 × 1,152.89
4. Step 4: Simplify right side
   2,003.70x = 3,187,744.32
5. Step 5: Solve for x
   x = 3,187,744.32/2,003.70
6. Step 6: Final answer
   x = 1,590.93