Finding the Fourth Proportional to 1,083.72, 1,495.67 and 711.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.72 : 1,495.67 = 711.01 : x
2. Step 2: Convert to fraction form
   1,083.72/1,495.67 = 711.01/x
3. Step 3: Cross multiply
   1,083.72x = 1,495.67 × 711.01
4. Step 4: Simplify right side
   1,083.72x = 1,063,436.33
5. Step 5: Solve for x
   x = 1,063,436.33/1,083.72
6. Step 6: Final answer
   x = 981.28