Finding the Fourth Proportional to 21,667.50, 32,476.68 and 9,956.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.50 : 32,476.68 = 9,956.52 : x
2. Step 2: Convert to fraction form
   21,667.50/32,476.68 = 9,956.52/x
3. Step 3: Cross multiply
   21,667.50x = 32,476.68 × 9,956.52
4. Step 4: Simplify right side
   21,667.50x = 323,354,713.95
5. Step 5: Solve for x
   x = 323,354,713.95/21,667.50
6. Step 6: Final answer
   x = 14,923.49