Finding the Fourth Proportional to 7,103.72, 10,642.61 and 5,993.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.72 : 10,642.61 = 5,993.60 : x
2. Step 2: Convert to fraction form
   7,103.72/10,642.61 = 5,993.60/x
3. Step 3: Cross multiply
   7,103.72x = 10,642.61 × 5,993.60
4. Step 4: Simplify right side
   7,103.72x = 63,787,509.07
5. Step 5: Solve for x
   x = 63,787,509.07/7,103.72
6. Step 6: Final answer
   x = 8,979.45