Finding the Fourth Proportional to 5,191.91, 7,164.59 and 2,834.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.91 : 7,164.59 = 2,834.06 : x
2. Step 2: Convert to fraction form
   5,191.91/7,164.59 = 2,834.06/x
3. Step 3: Cross multiply
   5,191.91x = 7,164.59 × 2,834.06
4. Step 4: Simplify right side
   5,191.91x = 20,304,827.94
5. Step 5: Solve for x
   x = 20,304,827.94/5,191.91
6. Step 6: Final answer
   x = 3,910.86