Finding the Fourth Proportional to 1,501.69, 2,252.55 and 722.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.69 : 2,252.55 = 722.30 : x
2. Step 2: Convert to fraction form
   1,501.69/2,252.55 = 722.30/x
3. Step 3: Cross multiply
   1,501.69x = 2,252.55 × 722.30
4. Step 4: Simplify right side
   1,501.69x = 1,627,016.87
5. Step 5: Solve for x
   x = 1,627,016.87/1,501.69
6. Step 6: Final answer
   x = 1,083.46