Finding the Fourth Proportional to 8,457.45, 11,667.35 and 5,474.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,457.45 : 11,667.35 = 5,474.27 : x
2. Step 2: Convert to fraction form
   8,457.45/11,667.35 = 5,474.27/x
3. Step 3: Cross multiply
   8,457.45x = 11,667.35 × 5,474.27
4. Step 4: Simplify right side
   8,457.45x = 63,870,224.08
5. Step 5: Solve for x
   x = 63,870,224.08/8,457.45
6. Step 6: Final answer
   x = 7,551.95