Finding the Fourth Proportional to 1,094.99, 1,510.72 and 722.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.99 : 1,510.72 = 722.15 : x
2. Step 2: Convert to fraction form
   1,094.99/1,510.72 = 722.15/x
3. Step 3: Cross multiply
   1,094.99x = 1,510.72 × 722.15
4. Step 4: Simplify right side
   1,094.99x = 1,090,962.75
5. Step 5: Solve for x
   x = 1,090,962.75/1,094.99
6. Step 6: Final answer
   x = 996.33