Finding the Fourth Proportional to 3,706.66, 5,559.57 and 933.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.66 : 5,559.57 = 933.33 : x
2. Step 2: Convert to fraction form
   3,706.66/5,559.57 = 933.33/x
3. Step 3: Cross multiply
   3,706.66x = 5,559.57 × 933.33
4. Step 4: Simplify right side
   3,706.66x = 5,188,913.47
5. Step 5: Solve for x
   x = 5,188,913.47/3,706.66
6. Step 6: Final answer
   x = 1,399.89