Finding the Fourth Proportional to 5,191.45, 7,164.18 and 2,833.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.45 : 7,164.18 = 2,833.61 : x
2. Step 2: Convert to fraction form
   5,191.45/7,164.18 = 2,833.61/x
3. Step 3: Cross multiply
   5,191.45x = 7,164.18 × 2,833.61
4. Step 4: Simplify right side
   5,191.45x = 20,300,456.27
5. Step 5: Solve for x
   x = 20,300,456.27/5,191.45
6. Step 6: Final answer
   x = 3,910.37