Finding the Fourth Proportional to 1,500.24, 2,059.20 and 1,330.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.24 : 2,059.20 = 1,330.72 : x
2. Step 2: Convert to fraction form
   1,500.24/2,059.20 = 1,330.72/x
3. Step 3: Cross multiply
   1,500.24x = 2,059.20 × 1,330.72
4. Step 4: Simplify right side
   1,500.24x = 2,740,218.62
5. Step 5: Solve for x
   x = 2,740,218.62/1,500.24
6. Step 6: Final answer
   x = 1,826.52