Finding the Fourth Proportional to 14,181.57, 19,569.72 and 8,212.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,181.57 : 19,569.72 = 8,212.83 : x
2. Step 2: Convert to fraction form
   14,181.57/19,569.72 = 8,212.83/x
3. Step 3: Cross multiply
   14,181.57x = 19,569.72 × 8,212.83
4. Step 4: Simplify right side
   14,181.57x = 160,722,783.51
5. Step 5: Solve for x
   x = 160,722,783.51/14,181.57
6. Step 6: Final answer
   x = 11,333.22