Finding the Fourth Proportional to 1,075.80, 1,484.50 and 722.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.80 : 1,484.50 = 722.14 : x
2. Step 2: Convert to fraction form
   1,075.80/1,484.50 = 722.14/x
3. Step 3: Cross multiply
   1,075.80x = 1,484.50 × 722.14
4. Step 4: Simplify right side
   1,075.80x = 1,072,016.83
5. Step 5: Solve for x
   x = 1,072,016.83/1,075.80
6. Step 6: Final answer
   x = 996.48