Finding the Fourth Proportional to 5,443.46, 7,509.81 and 3,554.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.46 : 7,509.81 = 3,554.43 : x
2. Step 2: Convert to fraction form
   5,443.46/7,509.81 = 3,554.43/x
3. Step 3: Cross multiply
   5,443.46x = 7,509.81 × 3,554.43
4. Step 4: Simplify right side
   5,443.46x = 26,693,093.96
5. Step 5: Solve for x
   x = 26,693,093.96/5,443.46
6. Step 6: Final answer
   x = 4,903.70