Finding the Fourth Proportional to 5,429.27, 7,494.16 and 3,191.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.27 : 7,494.16 = 3,191.09 : x
2. Step 2: Convert to fraction form
   5,429.27/7,494.16 = 3,191.09/x
3. Step 3: Cross multiply
   5,429.27x = 7,494.16 × 3,191.09
4. Step 4: Simplify right side
   5,429.27x = 23,914,493.59
5. Step 5: Solve for x
   x = 23,914,493.59/5,429.27
6. Step 6: Final answer
   x = 4,404.74