Finding the Fourth Proportional to 6,111.39, 8,433.75 and 3,316.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.39 : 8,433.75 = 3,316.89 : x
2. Step 2: Convert to fraction form
   6,111.39/8,433.75 = 3,316.89/x
3. Step 3: Cross multiply
   6,111.39x = 8,433.75 × 3,316.89
4. Step 4: Simplify right side
   6,111.39x = 27,973,821.04
5. Step 5: Solve for x
   x = 27,973,821.04/6,111.39
6. Step 6: Final answer
   x = 4,577.33