Finding the Fourth Proportional to 1,780.24, 2,663.67 and 1,233.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.24 : 2,663.67 = 1,233.49 : x
2. Step 2: Convert to fraction form
   1,780.24/2,663.67 = 1,233.49/x
3. Step 3: Cross multiply
   1,780.24x = 2,663.67 × 1,233.49
4. Step 4: Simplify right side
   1,780.24x = 3,285,610.31
5. Step 5: Solve for x
   x = 3,285,610.31/1,780.24
6. Step 6: Final answer
   x = 1,845.60