Finding the Fourth Proportional to 8,464.50, 12,699.18 and 3,271.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,464.50 : 12,699.18 = 3,271.86 : x
2. Step 2: Convert to fraction form
   8,464.50/12,699.18 = 3,271.86/x
3. Step 3: Cross multiply
   8,464.50x = 12,699.18 × 3,271.86
4. Step 4: Simplify right side
   8,464.50x = 41,549,939.07
5. Step 5: Solve for x
   x = 41,549,939.07/8,464.50
6. Step 6: Final answer
   x = 4,908.73