Finding the Fourth Proportional to 5,057.34, 7,581.42 and 4,282.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,057.34 : 7,581.42 = 4,282.32 : x
2. Step 2: Convert to fraction form
   5,057.34/7,581.42 = 4,282.32/x
3. Step 3: Cross multiply
   5,057.34x = 7,581.42 × 4,282.32
4. Step 4: Simplify right side
   5,057.34x = 32,466,066.49
5. Step 5: Solve for x
   x = 32,466,066.49/5,057.34
6. Step 6: Final answer
   x = 6,419.59