Finding the Fourth Proportional to 2,293.18, 3,164.56 and 1,298.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.18 : 3,164.56 = 1,298.44 : x
2. Step 2: Convert to fraction form
   2,293.18/3,164.56 = 1,298.44/x
3. Step 3: Cross multiply
   2,293.18x = 3,164.56 × 1,298.44
4. Step 4: Simplify right side
   2,293.18x = 4,108,991.29
5. Step 5: Solve for x
   x = 4,108,991.29/2,293.18
6. Step 6: Final answer
   x = 1,791.83