Finding the Fourth Proportional to 8,774.76, 12,105.50 and 5,749

Step by Step Solution

1. Step 1: Write the proportion equation
   8,774.76 : 12,105.50 = 5,749 : x
2. Step 2: Convert to fraction form
   8,774.76/12,105.50 = 5,749/x
3. Step 3: Cross multiply
   8,774.76x = 12,105.50 × 5,749
4. Step 4: Simplify right side
   8,774.76x = 69,594,519.50
5. Step 5: Solve for x
   x = 69,594,519.50/8,774.76
6. Step 6: Final answer
   x = 7,931.22