Finding the Fourth Proportional to 8,861.28, 13,293.56 and 3,667.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.28 : 13,293.56 = 3,667.56 : x
2. Step 2: Convert to fraction form
   8,861.28/13,293.56 = 3,667.56/x
3. Step 3: Cross multiply
   8,861.28x = 13,293.56 × 3,667.56
4. Step 4: Simplify right side
   8,861.28x = 48,754,928.91
5. Step 5: Solve for x
   x = 48,754,928.91/8,861.28
6. Step 6: Final answer
   x = 5,502.02