Finding the Fourth Proportional to 1,162.03, 1,602.24 and 789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.03 : 1,602.24 = 789.25 : x
2. Step 2: Convert to fraction form
   1,162.03/1,602.24 = 789.25/x
3. Step 3: Cross multiply
   1,162.03x = 1,602.24 × 789.25
4. Step 4: Simplify right side
   1,162.03x = 1,264,559.91
5. Step 5: Solve for x
   x = 1,264,559.91/1,162.03
6. Step 6: Final answer
   x = 1,088.24