Finding the Fourth Proportional to 3,984.59, 5,970.05 and 2,229.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.59 : 5,970.05 = 2,229.22 : x
2. Step 2: Convert to fraction form
   3,984.59/5,970.05 = 2,229.22/x
3. Step 3: Cross multiply
   3,984.59x = 5,970.05 × 2,229.22
4. Step 4: Simplify right side
   3,984.59x = 13,308,513.86
5. Step 5: Solve for x
   x = 13,308,513.86/3,984.59
6. Step 6: Final answer
   x = 3,340.00