Finding the Fourth Proportional to 4,003.52, 5,978.99 and 3,412.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003.52 : 5,978.99 = 3,412.22 : x
2. Step 2: Convert to fraction form
   4,003.52/5,978.99 = 3,412.22/x
3. Step 3: Cross multiply
   4,003.52x = 5,978.99 × 3,412.22
4. Step 4: Simplify right side
   4,003.52x = 20,401,622.84
5. Step 5: Solve for x
   x = 20,401,622.84/4,003.52
6. Step 6: Final answer
   x = 5,095.92