Finding the Fourth Proportional to 8,772.50, 13,162.23 and 3,842.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,772.50 : 13,162.23 = 3,842.91 : x
2. Step 2: Convert to fraction form
   8,772.50/13,162.23 = 3,842.91/x
3. Step 3: Cross multiply
   8,772.50x = 13,162.23 × 3,842.91
4. Step 4: Simplify right side
   8,772.50x = 50,581,265.29
5. Step 5: Solve for x
   x = 50,581,265.29/8,772.50
6. Step 6: Final answer
   x = 5,765.89