Finding the Fourth Proportional to 6,111.12, 8,433.12 and 3,316.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.12 : 8,433.12 = 3,316.56 : x
2. Step 2: Convert to fraction form
   6,111.12/8,433.12 = 3,316.56/x
3. Step 3: Cross multiply
   6,111.12x = 8,433.12 × 3,316.56
4. Step 4: Simplify right side
   6,111.12x = 27,968,948.47
5. Step 5: Solve for x
   x = 27,968,948.47/6,111.12
6. Step 6: Final answer
   x = 4,576.73