Finding the Fourth Proportional to 5,561.27, 8,327.79 and 3,338.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,561.27 : 8,327.79 = 3,338.72 : x
2. Step 2: Convert to fraction form
   5,561.27/8,327.79 = 3,338.72/x
3. Step 3: Cross multiply
   5,561.27x = 8,327.79 × 3,338.72
4. Step 4: Simplify right side
   5,561.27x = 27,804,159.03
5. Step 5: Solve for x
   x = 27,804,159.03/5,561.27
6. Step 6: Final answer
   x = 4,999.61