Finding the Fourth Proportional to 14,454.08, 19,946.48 and 8,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,454.08 : 19,946.48 = 8,166.72 : x
2. Step 2: Convert to fraction form
   14,454.08/19,946.48 = 8,166.72/x
3. Step 3: Cross multiply
   14,454.08x = 19,946.48 × 8,166.72
4. Step 4: Simplify right side
   14,454.08x = 162,897,317.15
5. Step 5: Solve for x
   x = 162,897,317.15/14,454.08
6. Step 6: Final answer
   x = 11,269.99