Finding the Fourth Proportional to 8,463.72, 12,679.14 and 5,533.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,463.72 : 12,679.14 = 5,533.16 : x
2. Step 2: Convert to fraction form
   8,463.72/12,679.14 = 5,533.16/x
3. Step 3: Cross multiply
   8,463.72x = 12,679.14 × 5,533.16
4. Step 4: Simplify right side
   8,463.72x = 70,155,710.28
5. Step 5: Solve for x
   x = 70,155,710.28/8,463.72
6. Step 6: Final answer
   x = 8,288.99