Finding the Fourth Proportional to 2,293.04, 3,164.28 and 1,298.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.04 : 3,164.28 = 1,298.40 : x
2. Step 2: Convert to fraction form
   2,293.04/3,164.28 = 1,298.40/x
3. Step 3: Cross multiply
   2,293.04x = 3,164.28 × 1,298.40
4. Step 4: Simplify right side
   2,293.04x = 4,108,501.15
5. Step 5: Solve for x
   x = 4,108,501.15/2,293.04
6. Step 6: Final answer
   x = 1,791.73