Finding the Fourth Proportional to 1,918.45, 2,647.49 and 1,499.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918.45 : 2,647.49 = 1,499.29 : x
2. Step 2: Convert to fraction form
   1,918.45/2,647.49 = 1,499.29/x
3. Step 3: Cross multiply
   1,918.45x = 2,647.49 × 1,499.29
4. Step 4: Simplify right side
   1,918.45x = 3,969,355.28
5. Step 5: Solve for x
   x = 3,969,355.28/1,918.45
6. Step 6: Final answer
   x = 2,069.04