Finding the Fourth Proportional to 1,448.09, 1,998.37 and 784.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.09 : 1,998.37 = 784.94 : x
2. Step 2: Convert to fraction form
   1,448.09/1,998.37 = 784.94/x
3. Step 3: Cross multiply
   1,448.09x = 1,998.37 × 784.94
4. Step 4: Simplify right side
   1,448.09x = 1,568,588.59
5. Step 5: Solve for x
   x = 1,568,588.59/1,448.09
6. Step 6: Final answer
   x = 1,083.22