Finding the Fourth Proportional to 33,106.54, 49,649.24 and 10,915.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,106.54 : 49,649.24 = 10,915.78 : x
2. Step 2: Convert to fraction form
   33,106.54/49,649.24 = 10,915.78/x
3. Step 3: Cross multiply
   33,106.54x = 49,649.24 × 10,915.78
4. Step 4: Simplify right side
   33,106.54x = 541,960,181.01
5. Step 5: Solve for x
   x = 541,960,181.01/33,106.54
6. Step 6: Final answer
   x = 16,370.18