Finding the Fourth Proportional to 1,920.25, 2,646.83 and 1,499.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.25 : 2,646.83 = 1,499.87 : x
2. Step 2: Convert to fraction form
   1,920.25/2,646.83 = 1,499.87/x
3. Step 3: Cross multiply
   1,920.25x = 2,646.83 × 1,499.87
4. Step 4: Simplify right side
   1,920.25x = 3,969,887.67
5. Step 5: Solve for x
   x = 3,969,887.67/1,920.25
6. Step 6: Final answer
   x = 2,067.39