Finding the Fourth Proportional to 10,742.03, 16,119.42 and 5,811.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,742.03 : 16,119.42 = 5,811.56 : x
2. Step 2: Convert to fraction form
   10,742.03/16,119.42 = 5,811.56/x
3. Step 3: Cross multiply
   10,742.03x = 16,119.42 × 5,811.56
4. Step 4: Simplify right side
   10,742.03x = 93,678,976.50
5. Step 5: Solve for x
   x = 93,678,976.50/10,742.03
6. Step 6: Final answer
   x = 8,720.79