Finding the Fourth Proportional to 10,849.91, 16,277.31 and 3,454.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,849.91 : 16,277.31 = 3,454.79 : x
2. Step 2: Convert to fraction form
   10,849.91/16,277.31 = 3,454.79/x
3. Step 3: Cross multiply
   10,849.91x = 16,277.31 × 3,454.79
4. Step 4: Simplify right side
   10,849.91x = 56,234,606.43
5. Step 5: Solve for x
   x = 56,234,606.43/10,849.91
6. Step 6: Final answer
   x = 5,182.96