Finding the Fourth Proportional to 10,950.38, 16,415.71 and 3,928.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,950.38 : 16,415.71 = 3,928.74 : x
2. Step 2: Convert to fraction form
   10,950.38/16,415.71 = 3,928.74/x
3. Step 3: Cross multiply
   10,950.38x = 16,415.71 × 3,928.74
4. Step 4: Simplify right side
   10,950.38x = 64,493,076.48
5. Step 5: Solve for x
   x = 64,493,076.48/10,950.38
6. Step 6: Final answer
   x = 5,889.58