Finding the Fourth Proportional to 4,057.56, 5,598.72 and 2,486.16

Step by Step Solution

1. Step 1: Write the proportion equation
   4,057.56 : 5,598.72 = 2,486.16 : x
2. Step 2: Convert to fraction form
   4,057.56/5,598.72 = 2,486.16/x
3. Step 3: Cross multiply
   4,057.56x = 5,598.72 × 2,486.16
4. Step 4: Simplify right side
   4,057.56x = 13,919,313.72
5. Step 5: Solve for x
   x = 13,919,313.72/4,057.56
6. Step 6: Final answer
   x = 3,430.46