Finding the Fourth Proportional to 1,448.00, 1,998.23 and 784.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.00 : 1,998.23 = 784.87 : x
2. Step 2: Convert to fraction form
   1,448.00/1,998.23 = 784.87/x
3. Step 3: Cross multiply
   1,448.00x = 1,998.23 × 784.87
4. Step 4: Simplify right side
   1,448.00x = 1,568,347.75
5. Step 5: Solve for x
   x = 1,568,347.75/1,448.00
6. Step 6: Final answer
   x = 1,083.12