Finding the Fourth Proportional to 6,490.50, 8,956.89 and 3,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,490.50 : 8,956.89 = 3,546.50 : x
2. Step 2: Convert to fraction form
   6,490.50/8,956.89 = 3,546.50/x
3. Step 3: Cross multiply
   6,490.50x = 8,956.89 × 3,546.50
4. Step 4: Simplify right side
   6,490.50x = 31,765,610.39
5. Step 5: Solve for x
   x = 31,765,610.39/6,490.50
6. Step 6: Final answer
   x = 4,894.17