Finding the Fourth Proportional to 2,299.82, 3,426.88 and 2,188.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.82 : 3,426.88 = 2,188.24 : x
2. Step 2: Convert to fraction form
   2,299.82/3,426.88 = 2,188.24/x
3. Step 3: Cross multiply
   2,299.82x = 3,426.88 × 2,188.24
4. Step 4: Simplify right side
   2,299.82x = 7,498,835.89
5. Step 5: Solve for x
   x = 7,498,835.89/2,299.82
6. Step 6: Final answer
   x = 3,260.62