Finding the Fourth Proportional to 3,998.56, 5,995.04 and 1,776.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998.56 : 5,995.04 = 1,776.16 : x
2. Step 2: Convert to fraction form
   3,998.56/5,995.04 = 1,776.16/x
3. Step 3: Cross multiply
   3,998.56x = 5,995.04 × 1,776.16
4. Step 4: Simplify right side
   3,998.56x = 10,648,150.25
5. Step 5: Solve for x
   x = 10,648,150.25/3,998.56
6. Step 6: Final answer
   x = 2,663.00