Finding the Fourth Proportional to 1,499.52, 2,229.60 and 1,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.52 : 2,229.60 = 1,441.20 : x
2. Step 2: Convert to fraction form
   1,499.52/2,229.60 = 1,441.20/x
3. Step 3: Cross multiply
   1,499.52x = 2,229.60 × 1,441.20
4. Step 4: Simplify right side
   1,499.52x = 3,213,299.52
5. Step 5: Solve for x
   x = 3,213,299.52/1,499.52
6. Step 6: Final answer
   x = 2,142.89