Finding the Fourth Proportional to 3,654.15, 5,482.14 and 1,057.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.15 : 5,482.14 = 1,057.09 : x
2. Step 2: Convert to fraction form
   3,654.15/5,482.14 = 1,057.09/x
3. Step 3: Cross multiply
   3,654.15x = 5,482.14 × 1,057.09
4. Step 4: Simplify right side
   3,654.15x = 5,795,096.38
5. Step 5: Solve for x
   x = 5,795,096.38/3,654.15
6. Step 6: Final answer
   x = 1,585.89