Finding the Fourth Proportional to 7,108.83, 10,662.98 and 3,988.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,108.83 : 10,662.98 = 3,988.17 : x
2. Step 2: Convert to fraction form
   7,108.83/10,662.98 = 3,988.17/x
3. Step 3: Cross multiply
   7,108.83x = 10,662.98 × 3,988.17
4. Step 4: Simplify right side
   7,108.83x = 42,525,757.01
5. Step 5: Solve for x
   x = 42,525,757.01/7,108.83
6. Step 6: Final answer
   x = 5,982.10