Finding the Fourth Proportional to 6,111.18, 8,433.72 and 3,459.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.18 : 8,433.72 = 3,459.42 : x
2. Step 2: Convert to fraction form
   6,111.18/8,433.72 = 3,459.42/x
3. Step 3: Cross multiply
   6,111.18x = 8,433.72 × 3,459.42
4. Step 4: Simplify right side
   6,111.18x = 29,175,779.64
5. Step 5: Solve for x
   x = 29,175,779.64/6,111.18
6. Step 6: Final answer
   x = 4,774.16