Finding the Fourth Proportional to 33,141.64, 49,712.56 and 8,181.69

Step by Step Solution

1. Step 1: Write the proportion equation
   33,141.64 : 49,712.56 = 8,181.69 : x
2. Step 2: Convert to fraction form
   33,141.64/49,712.56 = 8,181.69/x
3. Step 3: Cross multiply
   33,141.64x = 49,712.56 × 8,181.69
4. Step 4: Simplify right side
   33,141.64x = 406,732,706.61
5. Step 5: Solve for x
   x = 406,732,706.61/33,141.64
6. Step 6: Final answer
   x = 12,272.56