Finding the Fourth Proportional to 6,450.86, 8,903.50 and 4,185.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,450.86 : 8,903.50 = 4,185.29 : x
2. Step 2: Convert to fraction form
   6,450.86/8,903.50 = 4,185.29/x
3. Step 3: Cross multiply
   6,450.86x = 8,903.50 × 4,185.29
4. Step 4: Simplify right side
   6,450.86x = 37,263,741.31
5. Step 5: Solve for x
   x = 37,263,741.31/6,450.86
6. Step 6: Final answer
   x = 5,776.55