Finding the Fourth Proportional to 2,293.10, 3,164.42 and 1,298.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.10 : 3,164.42 = 1,298.47 : x
2. Step 2: Convert to fraction form
   2,293.10/3,164.42 = 1,298.47/x
3. Step 3: Cross multiply
   2,293.10x = 3,164.42 × 1,298.47
4. Step 4: Simplify right side
   2,293.10x = 4,108,914.68
5. Step 5: Solve for x
   x = 4,108,914.68/2,293.10
6. Step 6: Final answer
   x = 1,791.86