Finding the Fourth Proportional to 1,763.23, 2,645.72 and 789.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.23 : 2,645.72 = 789.07 : x
2. Step 2: Convert to fraction form
   1,763.23/2,645.72 = 789.07/x
3. Step 3: Cross multiply
   1,763.23x = 2,645.72 × 789.07
4. Step 4: Simplify right side
   1,763.23x = 2,087,658.28
5. Step 5: Solve for x
   x = 2,087,658.28/1,763.23
6. Step 6: Final answer
   x = 1,184.00