Finding the Fourth Proportional to 8,512.38, 12,773.43 and 3,317.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,512.38 : 12,773.43 = 3,317.04 : x
2. Step 2: Convert to fraction form
   8,512.38/12,773.43 = 3,317.04/x
3. Step 3: Cross multiply
   8,512.38x = 12,773.43 × 3,317.04
4. Step 4: Simplify right side
   8,512.38x = 42,369,978.25
5. Step 5: Solve for x
   x = 42,369,978.25/8,512.38
6. Step 6: Final answer
   x = 4,977.45