Finding the Fourth Proportional to 10,735.91, 16,109.01 and 5,541.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,735.91 : 16,109.01 = 5,541.78 : x
2. Step 2: Convert to fraction form
   10,735.91/16,109.01 = 5,541.78/x
3. Step 3: Cross multiply
   10,735.91x = 16,109.01 × 5,541.78
4. Step 4: Simplify right side
   10,735.91x = 89,272,589.44
5. Step 5: Solve for x
   x = 89,272,589.44/10,735.91
6. Step 6: Final answer
   x = 8,315.33