Finding the Fourth Proportional to 8,806.50, 13,200.42 and 5,474.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,806.50 : 13,200.42 = 5,474.76 : x
2. Step 2: Convert to fraction form
   8,806.50/13,200.42 = 5,474.76/x
3. Step 3: Cross multiply
   8,806.50x = 13,200.42 × 5,474.76
4. Step 4: Simplify right side
   8,806.50x = 72,269,131.40
5. Step 5: Solve for x
   x = 72,269,131.40/8,806.50
6. Step 6: Final answer
   x = 8,206.34