Finding the Fourth Proportional to 10,743.95, 16,120.76 and 5,807.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,743.95 : 16,120.76 = 5,807.81 : x
2. Step 2: Convert to fraction form
   10,743.95/16,120.76 = 5,807.81/x
3. Step 3: Cross multiply
   10,743.95x = 16,120.76 × 5,807.81
4. Step 4: Simplify right side
   10,743.95x = 93,626,231.72
5. Step 5: Solve for x
   x = 93,626,231.72/10,743.95
6. Step 6: Final answer
   x = 8,714.32