Finding the Fourth Proportional to 1,095.75, 1,510.59 and 722.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.75 : 1,510.59 = 722.16 : x
2. Step 2: Convert to fraction form
   1,095.75/1,510.59 = 722.16/x
3. Step 3: Cross multiply
   1,095.75x = 1,510.59 × 722.16
4. Step 4: Simplify right side
   1,095.75x = 1,090,887.67
5. Step 5: Solve for x
   x = 1,090,887.67/1,095.75
6. Step 6: Final answer
   x = 995.56