Finding the Fourth Proportional to 2,362.40, 3,526.12 and 2,216.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.40 : 3,526.12 = 2,216.48 : x
2. Step 2: Convert to fraction form
   2,362.40/3,526.12 = 2,216.48/x
3. Step 3: Cross multiply
   2,362.40x = 3,526.12 × 2,216.48
4. Step 4: Simplify right side
   2,362.40x = 7,815,574.46
5. Step 5: Solve for x
   x = 7,815,574.46/2,362.40
6. Step 6: Final answer
   x = 3,308.32