Finding the Fourth Proportional to 6,450.50, 8,903.59 and 4,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,450.50 : 8,903.59 = 4,212.72 : x
2. Step 2: Convert to fraction form
   6,450.50/8,903.59 = 4,212.72/x
3. Step 3: Cross multiply
   6,450.50x = 8,903.59 × 4,212.72
4. Step 4: Simplify right side
   6,450.50x = 37,508,331.66
5. Step 5: Solve for x
   x = 37,508,331.66/6,450.50
6. Step 6: Final answer
   x = 5,814.79