Finding the Fourth Proportional to 10,939.32, 16,404.86 and 3,541.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.32 : 16,404.86 = 3,541.79 : x
2. Step 2: Convert to fraction form
   10,939.32/16,404.86 = 3,541.79/x
3. Step 3: Cross multiply
   10,939.32x = 16,404.86 × 3,541.79
4. Step 4: Simplify right side
   10,939.32x = 58,102,618.97
5. Step 5: Solve for x
   x = 58,102,618.97/10,939.32
6. Step 6: Final answer
   x = 5,311.36