Finding the Fourth Proportional to 1,456.24, 2,011.80 and 1,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.24 : 2,011.80 = 1,329.52 : x
2. Step 2: Convert to fraction form
   1,456.24/2,011.80 = 1,329.52/x
3. Step 3: Cross multiply
   1,456.24x = 2,011.80 × 1,329.52
4. Step 4: Simplify right side
   1,456.24x = 2,674,728.34
5. Step 5: Solve for x
   x = 2,674,728.34/1,456.24
6. Step 6: Final answer
   x = 1,836.74