Finding the Fourth Proportional to 3,064.06, 4,220.52 and 2,399.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,064.06 : 4,220.52 = 2,399.72 : x
2. Step 2: Convert to fraction form
   3,064.06/4,220.52 = 2,399.72/x
3. Step 3: Cross multiply
   3,064.06x = 4,220.52 × 2,399.72
4. Step 4: Simplify right side
   3,064.06x = 10,128,066.25
5. Step 5: Solve for x
   x = 10,128,066.25/3,064.06
6. Step 6: Final answer
   x = 3,305.45