Finding the Fourth Proportional to 2,310.88, 3,438.72 and 2,231.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.88 : 3,438.72 = 2,231.52 : x
2. Step 2: Convert to fraction form
   2,310.88/3,438.72 = 2,231.52/x
3. Step 3: Cross multiply
   2,310.88x = 3,438.72 × 2,231.52
4. Step 4: Simplify right side
   2,310.88x = 7,673,572.45
5. Step 5: Solve for x
   x = 7,673,572.45/2,310.88
6. Step 6: Final answer
   x = 3,320.63