Finding the Fourth Proportional to 6,111.66, 8,433.72 and 3,459.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.66 : 8,433.72 = 3,459.90 : x
2. Step 2: Convert to fraction form
   6,111.66/8,433.72 = 3,459.90/x
3. Step 3: Cross multiply
   6,111.66x = 8,433.72 × 3,459.90
4. Step 4: Simplify right side
   6,111.66x = 29,179,827.83
5. Step 5: Solve for x
   x = 29,179,827.83/6,111.66
6. Step 6: Final answer
   x = 4,774.45