Finding the Fourth Proportional to 14,132.72, 19,506.70 and 8,167.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,132.72 : 19,506.70 = 8,167.86 : x
2. Step 2: Convert to fraction form
   14,132.72/19,506.70 = 8,167.86/x
3. Step 3: Cross multiply
   14,132.72x = 19,506.70 × 8,167.86
4. Step 4: Simplify right side
   14,132.72x = 159,327,994.66
5. Step 5: Solve for x
   x = 159,327,994.66/14,132.72
6. Step 6: Final answer
   x = 11,273.70