Finding the Fourth Proportional to 5,181.69, 7,150.72 and 2,823.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,181.69 : 7,150.72 = 2,823.83 : x
2. Step 2: Convert to fraction form
   5,181.69/7,150.72 = 2,823.83/x
3. Step 3: Cross multiply
   5,181.69x = 7,150.72 × 2,823.83
4. Step 4: Simplify right side
   5,181.69x = 20,192,417.66
5. Step 5: Solve for x
   x = 20,192,417.66/5,181.69
6. Step 6: Final answer
   x = 3,896.88