Finding the Fourth Proportional to 5,191.86, 7,164.81 and 2,833.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.86 : 7,164.81 = 2,833.86 : x
2. Step 2: Convert to fraction form
   5,191.86/7,164.81 = 2,833.86/x
3. Step 3: Cross multiply
   5,191.86x = 7,164.81 × 2,833.86
4. Step 4: Simplify right side
   5,191.86x = 20,304,068.47
5. Step 5: Solve for x
   x = 20,304,068.47/5,191.86
6. Step 6: Final answer
   x = 3,910.75