Finding the Fourth Proportional to 7,003.98, 9,666.42 and 4,019.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.98 : 9,666.42 = 4,019.22 : x
2. Step 2: Convert to fraction form
   7,003.98/9,666.42 = 4,019.22/x
3. Step 3: Cross multiply
   7,003.98x = 9,666.42 × 4,019.22
4. Step 4: Simplify right side
   7,003.98x = 38,851,468.59
5. Step 5: Solve for x
   x = 38,851,468.59/7,003.98
6. Step 6: Final answer
   x = 5,547.06