Finding the Fourth Proportional to 10,849.91, 16,275.42 and 3,454.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,849.91 : 16,275.42 = 3,454.95 : x
2. Step 2: Convert to fraction form
   10,849.91/16,275.42 = 3,454.95/x
3. Step 3: Cross multiply
   10,849.91x = 16,275.42 × 3,454.95
4. Step 4: Simplify right side
   10,849.91x = 56,230,762.33
5. Step 5: Solve for x
   x = 56,230,762.33/10,849.91
6. Step 6: Final answer
   x = 5,182.60