Finding the Fourth Proportional to 6,111.64, 8,434.59 and 3,459.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.64 : 8,434.59 = 3,459.57 : x
2. Step 2: Convert to fraction form
   6,111.64/8,434.59 = 3,459.57/x
3. Step 3: Cross multiply
   6,111.64x = 8,434.59 × 3,459.57
4. Step 4: Simplify right side
   6,111.64x = 29,180,054.53
5. Step 5: Solve for x
   x = 29,180,054.53/6,111.64
6. Step 6: Final answer
   x = 4,774.50