Finding the Fourth Proportional to 2,477.77, 3,717.24 and 722.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.77 : 3,717.24 = 722.83 : x
2. Step 2: Convert to fraction form
   2,477.77/3,717.24 = 722.83/x
3. Step 3: Cross multiply
   2,477.77x = 3,717.24 × 722.83
4. Step 4: Simplify right side
   2,477.77x = 2,686,932.59
5. Step 5: Solve for x
   x = 2,686,932.59/2,477.77
6. Step 6: Final answer
   x = 1,084.42