Finding the Fourth Proportional to 4,113.22, 5,661.98 and 3,588.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,113.22 : 5,661.98 = 3,588.34 : x
2. Step 2: Convert to fraction form
   4,113.22/5,661.98 = 3,588.34/x
3. Step 3: Cross multiply
   4,113.22x = 5,661.98 × 3,588.34
4. Step 4: Simplify right side
   4,113.22x = 20,317,109.31
5. Step 5: Solve for x
   x = 20,317,109.31/4,113.22
6. Step 6: Final answer
   x = 4,939.47