Finding the Fourth Proportional to 9,667.81, 14,501.85 and 2,742.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.81 : 14,501.85 = 2,742.31 : x
2. Step 2: Convert to fraction form
   9,667.81/14,501.85 = 2,742.31/x
3. Step 3: Cross multiply
   9,667.81x = 14,501.85 × 2,742.31
4. Step 4: Simplify right side
   9,667.81x = 39,768,568.27
5. Step 5: Solve for x
   x = 39,768,568.27/9,667.81
6. Step 6: Final answer
   x = 4,113.50