Finding the Fourth Proportional to 2,242.59, 3,362.73 and 1,318.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.59 : 3,362.73 = 1,318.43 : x
2. Step 2: Convert to fraction form
   2,242.59/3,362.73 = 1,318.43/x
3. Step 3: Cross multiply
   2,242.59x = 3,362.73 × 1,318.43
4. Step 4: Simplify right side
   2,242.59x = 4,433,507.30
5. Step 5: Solve for x
   x = 4,433,507.30/2,242.59
6. Step 6: Final answer
   x = 1,976.96