Finding the Fourth Proportional to 1,083.80, 1,623.27 and 650.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.80 : 1,623.27 = 650.06 : x
2. Step 2: Convert to fraction form
   1,083.80/1,623.27 = 650.06/x
3. Step 3: Cross multiply
   1,083.80x = 1,623.27 × 650.06
4. Step 4: Simplify right side
   1,083.80x = 1,055,222.90
5. Step 5: Solve for x
   x = 1,055,222.90/1,083.80
6. Step 6: Final answer
   x = 973.63