Finding the Fourth Proportional to 7,116.56, 10,667.24 and 3,609.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,116.56 : 10,667.24 = 3,609.16 : x
2. Step 2: Convert to fraction form
   7,116.56/10,667.24 = 3,609.16/x
3. Step 3: Cross multiply
   7,116.56x = 10,667.24 × 3,609.16
4. Step 4: Simplify right side
   7,116.56x = 38,499,765.04
5. Step 5: Solve for x
   x = 38,499,765.04/7,116.56
6. Step 6: Final answer
   x = 5,409.89