Finding the Fourth Proportional to 3,654.52, 5,482.68 and 1,057.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.52 : 5,482.68 = 1,057.48 : x
2. Step 2: Convert to fraction form
   3,654.52/5,482.68 = 1,057.48/x
3. Step 3: Cross multiply
   3,654.52x = 5,482.68 × 1,057.48
4. Step 4: Simplify right side
   3,654.52x = 5,797,824.45
5. Step 5: Solve for x
   x = 5,797,824.45/3,654.52
6. Step 6: Final answer
   x = 1,586.48