Finding the Fourth Proportional to 2,189.03, 3,280.29 and 2,134.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.03 : 3,280.29 = 2,134.69 : x
2. Step 2: Convert to fraction form
   2,189.03/3,280.29 = 2,134.69/x
3. Step 3: Cross multiply
   2,189.03x = 3,280.29 × 2,134.69
4. Step 4: Simplify right side
   2,189.03x = 7,002,402.26
5. Step 5: Solve for x
   x = 7,002,402.26/2,189.03
6. Step 6: Final answer
   x = 3,198.86