Finding the Fourth Proportional to 33,760.94, 50,648.16 and 10,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,760.94 : 50,648.16 = 10,386.50 : x
2. Step 2: Convert to fraction form
   33,760.94/50,648.16 = 10,386.50/x
3. Step 3: Cross multiply
   33,760.94x = 50,648.16 × 10,386.50
4. Step 4: Simplify right side
   33,760.94x = 526,057,113.84
5. Step 5: Solve for x
   x = 526,057,113.84/33,760.94
6. Step 6: Final answer
   x = 15,581.83