Finding the Fourth Proportional to 7,003.05, 9,665.18 and 4,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.05 : 9,665.18 = 4,020.06 : x
2. Step 2: Convert to fraction form
   7,003.05/9,665.18 = 4,020.06/x
3. Step 3: Cross multiply
   7,003.05x = 9,665.18 × 4,020.06
4. Step 4: Simplify right side
   7,003.05x = 38,854,603.51
5. Step 5: Solve for x
   x = 38,854,603.51/7,003.05
6. Step 6: Final answer
   x = 5,548.24