Finding the Fourth Proportional to 8,961.78, 12,367.27 and 4,983.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,961.78 : 12,367.27 = 4,983.03 : x
2. Step 2: Convert to fraction form
   8,961.78/12,367.27 = 4,983.03/x
3. Step 3: Cross multiply
   8,961.78x = 12,367.27 × 4,983.03
4. Step 4: Simplify right side
   8,961.78x = 61,626,477.43
5. Step 5: Solve for x
   x = 61,626,477.43/8,961.78
6. Step 6: Final answer
   x = 6,876.59