Finding the Fourth Proportional to 9,667.50, 14,503.68 and 2,742

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.50 : 14,503.68 = 2,742 : x
2. Step 2: Convert to fraction form
   9,667.50/14,503.68 = 2,742/x
3. Step 3: Cross multiply
   9,667.50x = 14,503.68 × 2,742
4. Step 4: Simplify right side
   9,667.50x = 39,769,090.56
5. Step 5: Solve for x
   x = 39,769,090.56/9,667.50
6. Step 6: Final answer
   x = 4,113.69