Finding the Fourth Proportional to 1,448.52, 1,998.96 and 785.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.52 : 1,998.96 = 785.37 : x
2. Step 2: Convert to fraction form
   1,448.52/1,998.96 = 785.37/x
3. Step 3: Cross multiply
   1,448.52x = 1,998.96 × 785.37
4. Step 4: Simplify right side
   1,448.52x = 1,569,912.77
5. Step 5: Solve for x
   x = 1,569,912.77/1,448.52
6. Step 6: Final answer
   x = 1,083.81