Finding the Fourth Proportional to 7,119.52, 10,680.81 and 2,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,119.52 : 10,680.81 = 2,189.50 : x
2. Step 2: Convert to fraction form
   7,119.52/10,680.81 = 2,189.50/x
3. Step 3: Cross multiply
   7,119.52x = 10,680.81 × 2,189.50
4. Step 4: Simplify right side
   7,119.52x = 23,385,633.50
5. Step 5: Solve for x
   x = 23,385,633.50/7,119.52
6. Step 6: Final answer
   x = 3,284.72