Finding the Fourth Proportional to 16,633.72, 22,954.62 and 9,181.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,633.72 : 22,954.62 = 9,181.72 : x
2. Step 2: Convert to fraction form
   16,633.72/22,954.62 = 9,181.72/x
3. Step 3: Cross multiply
   16,633.72x = 22,954.62 × 9,181.72
4. Step 4: Simplify right side
   16,633.72x = 210,762,893.55
5. Step 5: Solve for x
   x = 210,762,893.55/16,633.72
6. Step 6: Final answer
   x = 12,670.82