Finding the Fourth Proportional to 3,581.64, 5,340.69 and 3,343.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.64 : 5,340.69 = 3,343.32 : x
2. Step 2: Convert to fraction form
   3,581.64/5,340.69 = 3,343.32/x
3. Step 3: Cross multiply
   3,581.64x = 5,340.69 × 3,343.32
4. Step 4: Simplify right side
   3,581.64x = 17,855,635.69
5. Step 5: Solve for x
   x = 17,855,635.69/3,581.64
6. Step 6: Final answer
   x = 4,985.32