Finding the Fourth Proportional to 10,739.90, 16,116.23 and 5,809.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,739.90 : 16,116.23 = 5,809.43 : x
2. Step 2: Convert to fraction form
   10,739.90/16,116.23 = 5,809.43/x
3. Step 3: Cross multiply
   10,739.90x = 16,116.23 × 5,809.43
4. Step 4: Simplify right side
   10,739.90x = 93,626,164.86
5. Step 5: Solve for x
   x = 93,626,164.86/10,739.90
6. Step 6: Final answer
   x = 8,717.60