Finding the Fourth Proportional to 3,944.03, 5,443.34 and 3,526.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.03 : 5,443.34 = 3,526.61 : x
2. Step 2: Convert to fraction form
   3,944.03/5,443.34 = 3,526.61/x
3. Step 3: Cross multiply
   3,944.03x = 5,443.34 × 3,526.61
4. Step 4: Simplify right side
   3,944.03x = 19,196,492.43
5. Step 5: Solve for x
   x = 19,196,492.43/3,944.03
6. Step 6: Final answer
   x = 4,867.23