Finding the Fourth Proportional to 1,111.01, 1,532.79 and 712.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.01 : 1,532.79 = 712.73 : x
2. Step 2: Convert to fraction form
   1,111.01/1,532.79 = 712.73/x
3. Step 3: Cross multiply
   1,111.01x = 1,532.79 × 712.73
4. Step 4: Simplify right side
   1,111.01x = 1,092,469.25
5. Step 5: Solve for x
   x = 1,092,469.25/1,111.01
6. Step 6: Final answer
   x = 983.32