Finding the Fourth Proportional to 5,443.37, 7,509.61 and 3,554.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.37 : 7,509.61 = 3,554.30 : x
2. Step 2: Convert to fraction form
   5,443.37/7,509.61 = 3,554.30/x
3. Step 3: Cross multiply
   5,443.37x = 7,509.61 × 3,554.30
4. Step 4: Simplify right side
   5,443.37x = 26,691,387.80
5. Step 5: Solve for x
   x = 26,691,387.80/5,443.37
6. Step 6: Final answer
   x = 4,903.47