Finding the Fourth Proportional to 1,499.88, 2,067.96 and 1,146.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.88 : 2,067.96 = 1,146.24 : x
2. Step 2: Convert to fraction form
   1,499.88/2,067.96 = 1,146.24/x
3. Step 3: Cross multiply
   1,499.88x = 2,067.96 × 1,146.24
4. Step 4: Simplify right side
   1,499.88x = 2,370,378.47
5. Step 5: Solve for x
   x = 2,370,378.47/1,499.88
6. Step 6: Final answer
   x = 1,580.38