Finding the Fourth Proportional to 17,667.28, 24,381.71 and 10,956.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.28 : 24,381.71 = 10,956.43 : x
2. Step 2: Convert to fraction form
   17,667.28/24,381.71 = 10,956.43/x
3. Step 3: Cross multiply
   17,667.28x = 24,381.71 × 10,956.43
4. Step 4: Simplify right side
   17,667.28x = 267,136,498.90
5. Step 5: Solve for x
   x = 267,136,498.90/17,667.28
6. Step 6: Final answer
   x = 15,120.41