Finding the Fourth Proportional to 2,553.73, 3,832.63 and 1,321.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.73 : 3,832.63 = 1,321.49 : x
2. Step 2: Convert to fraction form
   2,553.73/3,832.63 = 1,321.49/x
3. Step 3: Cross multiply
   2,553.73x = 3,832.63 × 1,321.49
4. Step 4: Simplify right side
   2,553.73x = 5,064,788.50
5. Step 5: Solve for x
   x = 5,064,788.50/2,553.73
6. Step 6: Final answer
   x = 1,983.29