Finding the Fourth Proportional to 2,293.22, 3,164.55 and 1,298.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.22 : 3,164.55 = 1,298.56 : x
2. Step 2: Convert to fraction form
   2,293.22/3,164.55 = 1,298.56/x
3. Step 3: Cross multiply
   2,293.22x = 3,164.55 × 1,298.56
4. Step 4: Simplify right side
   2,293.22x = 4,109,358.05
5. Step 5: Solve for x
   x = 4,109,358.05/2,293.22
6. Step 6: Final answer
   x = 1,791.96