Finding the Fourth Proportional to 5,191.31, 7,164.02 and 3,328.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.31 : 7,164.02 = 3,328.31 : x
2. Step 2: Convert to fraction form
   5,191.31/7,164.02 = 3,328.31/x
3. Step 3: Cross multiply
   5,191.31x = 7,164.02 × 3,328.31
4. Step 4: Simplify right side
   5,191.31x = 23,844,105.64
5. Step 5: Solve for x
   x = 23,844,105.64/5,191.31
6. Step 6: Final answer
   x = 4,593.08