Finding the Fourth Proportional to 2,003.19, 2,764.55 and 1,164.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.19 : 2,764.55 = 1,164.15 : x
2. Step 2: Convert to fraction form
   2,003.19/2,764.55 = 1,164.15/x
3. Step 3: Cross multiply
   2,003.19x = 2,764.55 × 1,164.15
4. Step 4: Simplify right side
   2,003.19x = 3,218,353.79
5. Step 5: Solve for x
   x = 3,218,353.79/2,003.19
6. Step 6: Final answer
   x = 1,606.62