Finding the Fourth Proportional to 7,150.69, 10,728.74 and 2,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.69 : 10,728.74 = 2,993.50 : x
2. Step 2: Convert to fraction form
   7,150.69/10,728.74 = 2,993.50/x
3. Step 3: Cross multiply
   7,150.69x = 10,728.74 × 2,993.50
4. Step 4: Simplify right side
   7,150.69x = 32,116,483.19
5. Step 5: Solve for x
   x = 32,116,483.19/7,150.69
6. Step 6: Final answer
   x = 4,491.38