Finding the Fourth Proportional to 3,945.03, 5,444.72 and 3,527.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.03 : 5,444.72 = 3,527.61 : x
2. Step 2: Convert to fraction form
   3,945.03/5,444.72 = 3,527.61/x
3. Step 3: Cross multiply
   3,945.03x = 5,444.72 × 3,527.61
4. Step 4: Simplify right side
   3,945.03x = 19,206,848.72
5. Step 5: Solve for x
   x = 19,206,848.72/3,945.03
6. Step 6: Final answer
   x = 4,868.62