Finding the Fourth Proportional to 5,443.58, 7,509.95 and 3,948.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.58 : 7,509.95 = 3,948.22 : x
2. Step 2: Convert to fraction form
   5,443.58/7,509.95 = 3,948.22/x
3. Step 3: Cross multiply
   5,443.58x = 7,509.95 × 3,948.22
4. Step 4: Simplify right side
   5,443.58x = 29,650,934.78
5. Step 5: Solve for x
   x = 29,650,934.78/5,443.58
6. Step 6: Final answer
   x = 5,446.96