Finding the Fourth Proportional to 6,188.51, 8,540.18 and 3,355.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,188.51 : 8,540.18 = 3,355.89 : x
2. Step 2: Convert to fraction form
   6,188.51/8,540.18 = 3,355.89/x
3. Step 3: Cross multiply
   6,188.51x = 8,540.18 × 3,355.89
4. Step 4: Simplify right side
   6,188.51x = 28,659,887.88
5. Step 5: Solve for x
   x = 28,659,887.88/6,188.51
6. Step 6: Final answer
   x = 4,631.15