Finding the Fourth Proportional to 8,457.72, 11,667.76 and 5,474.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,457.72 : 11,667.76 = 5,474.52 : x
2. Step 2: Convert to fraction form
   8,457.72/11,667.76 = 5,474.52/x
3. Step 3: Cross multiply
   8,457.72x = 11,667.76 × 5,474.52
4. Step 4: Simplify right side
   8,457.72x = 63,875,327.14
5. Step 5: Solve for x
   x = 63,875,327.14/8,457.72
6. Step 6: Final answer
   x = 7,552.31