Finding the Fourth Proportional to 2,618.80, 3,614.11 and 1,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.80 : 3,614.11 = 1,499.89 : x
2. Step 2: Convert to fraction form
   2,618.80/3,614.11 = 1,499.89/x
3. Step 3: Cross multiply
   2,618.80x = 3,614.11 × 1,499.89
4. Step 4: Simplify right side
   2,618.80x = 5,420,749.38
5. Step 5: Solve for x
   x = 5,420,749.38/2,618.80
6. Step 6: Final answer
   x = 2,069.94