Finding the Fourth Proportional to 8,961.43, 12,363.32 and 5,774.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,961.43 : 12,363.32 = 5,774.49 : x
2. Step 2: Convert to fraction form
   8,961.43/12,363.32 = 5,774.49/x
3. Step 3: Cross multiply
   8,961.43x = 12,363.32 × 5,774.49
4. Step 4: Simplify right side
   8,961.43x = 71,391,777.02
5. Step 5: Solve for x
   x = 71,391,777.02/8,961.43
6. Step 6: Final answer
   x = 7,966.56