Finding the Fourth Proportional to 14,667.10, 20,238.66 and 8,294.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,667.10 : 20,238.66 = 8,294.56 : x
2. Step 2: Convert to fraction form
   14,667.10/20,238.66 = 8,294.56/x
3. Step 3: Cross multiply
   14,667.10x = 20,238.66 × 8,294.56
4. Step 4: Simplify right side
   14,667.10x = 167,870,729.09
5. Step 5: Solve for x
   x = 167,870,729.09/14,667.10
6. Step 6: Final answer
   x = 11,445.40