Finding the Fourth Proportional to 2,213.01, 3,320.42 and 1,730.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.01 : 3,320.42 = 1,730.07 : x
2. Step 2: Convert to fraction form
   2,213.01/3,320.42 = 1,730.07/x
3. Step 3: Cross multiply
   2,213.01x = 3,320.42 × 1,730.07
4. Step 4: Simplify right side
   2,213.01x = 5,744,550.38
5. Step 5: Solve for x
   x = 5,744,550.38/2,213.01
6. Step 6: Final answer
   x = 2,595.81