Finding the Fourth Proportional to 10,939.91, 16,411.48 and 3,541.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.91 : 16,411.48 = 3,541.91 : x
2. Step 2: Convert to fraction form
   10,939.91/16,411.48 = 3,541.91/x
3. Step 3: Cross multiply
   10,939.91x = 16,411.48 × 3,541.91
4. Step 4: Simplify right side
   10,939.91x = 58,127,967.42
5. Step 5: Solve for x
   x = 58,127,967.42/10,939.91
6. Step 6: Final answer
   x = 5,313.39