Finding the Fourth Proportional to 1,084.76, 1,496.50 and 711.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.76 : 1,496.50 = 711.26 : x
2. Step 2: Convert to fraction form
   1,084.76/1,496.50 = 711.26/x
3. Step 3: Cross multiply
   1,084.76x = 1,496.50 × 711.26
4. Step 4: Simplify right side
   1,084.76x = 1,064,400.59
5. Step 5: Solve for x
   x = 1,064,400.59/1,084.76
6. Step 6: Final answer
   x = 981.23