Finding the Fourth Proportional to 10,742.27, 16,109.53 and 3,720.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,742.27 : 16,109.53 = 3,720.38 : x
2. Step 2: Convert to fraction form
   10,742.27/16,109.53 = 3,720.38/x
3. Step 3: Cross multiply
   10,742.27x = 16,109.53 × 3,720.38
4. Step 4: Simplify right side
   10,742.27x = 59,933,573.22
5. Step 5: Solve for x
   x = 59,933,573.22/10,742.27
6. Step 6: Final answer
   x = 5,579.23