Finding the Fourth Proportional to 2,200.72, 3,020.84 and 2,003.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.72 : 3,020.84 = 2,003.08 : x
2. Step 2: Convert to fraction form
   2,200.72/3,020.84 = 2,003.08/x
3. Step 3: Cross multiply
   2,200.72x = 3,020.84 × 2,003.08
4. Step 4: Simplify right side
   2,200.72x = 6,050,984.19
5. Step 5: Solve for x
   x = 6,050,984.19/2,200.72
6. Step 6: Final answer
   x = 2,749.55