Finding the Fourth Proportional to 4,815.69, 7,209.86 and 3,167.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,815.69 : 7,209.86 = 3,167.27 : x
2. Step 2: Convert to fraction form
   4,815.69/7,209.86 = 3,167.27/x
3. Step 3: Cross multiply
   4,815.69x = 7,209.86 × 3,167.27
4. Step 4: Simplify right side
   4,815.69x = 22,835,521.40
5. Step 5: Solve for x
   x = 22,835,521.40/4,815.69
6. Step 6: Final answer
   x = 4,741.90