Finding the Fourth Proportional to 33,764.06, 50,646.78 and 10,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,764.06 : 50,646.78 = 10,390.50 : x
2. Step 2: Convert to fraction form
   33,764.06/50,646.78 = 10,390.50/x
3. Step 3: Cross multiply
   33,764.06x = 50,646.78 × 10,390.50
4. Step 4: Simplify right side
   33,764.06x = 526,245,367.59
5. Step 5: Solve for x
   x = 526,245,367.59/33,764.06
6. Step 6: Final answer
   x = 15,585.96