Finding the Fourth Proportional to 2,293.09, 3,164.47 and 1,298.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.09 : 3,164.47 = 1,298.43 : x
2. Step 2: Convert to fraction form
   2,293.09/3,164.47 = 1,298.43/x
3. Step 3: Cross multiply
   2,293.09x = 3,164.47 × 1,298.43
4. Step 4: Simplify right side
   2,293.09x = 4,108,839.54
5. Step 5: Solve for x
   x = 4,108,839.54/2,293.09
6. Step 6: Final answer
   x = 1,791.84