Finding the Fourth Proportional to 1,388.72, 2,083.33 and 695.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388.72 : 2,083.33 = 695.25 : x
2. Step 2: Convert to fraction form
   1,388.72/2,083.33 = 695.25/x
3. Step 3: Cross multiply
   1,388.72x = 2,083.33 × 695.25
4. Step 4: Simplify right side
   1,388.72x = 1,448,435.18
5. Step 5: Solve for x
   x = 1,448,435.18/1,388.72
6. Step 6: Final answer
   x = 1,043.00