Finding the Fourth Proportional to 2,294.48, 3,182.63 and 2,215.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.48 : 3,182.63 = 2,215.81 : x
2. Step 2: Convert to fraction form
   2,294.48/3,182.63 = 2,215.81/x
3. Step 3: Cross multiply
   2,294.48x = 3,182.63 × 2,215.81
4. Step 4: Simplify right side
   2,294.48x = 7,052,103.38
5. Step 5: Solve for x
   x = 7,052,103.38/2,294.48
6. Step 6: Final answer
   x = 3,073.51