Finding the Fourth Proportional to 33,276.69, 49,917.42 and 10,478.58

Step by Step Solution

1. Step 1: Write the proportion equation
   33,276.69 : 49,917.42 = 10,478.58 : x
2. Step 2: Convert to fraction form
   33,276.69/49,917.42 = 10,478.58/x
3. Step 3: Cross multiply
   33,276.69x = 49,917.42 × 10,478.58
4. Step 4: Simplify right side
   33,276.69x = 523,063,429.28
5. Step 5: Solve for x
   x = 523,063,429.28/33,276.69
6. Step 6: Final answer
   x = 15,718.62