Finding the Fourth Proportional to 8,960.78, 12,365.89 and 4,982.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,960.78 : 12,365.89 = 4,982.03 : x
2. Step 2: Convert to fraction form
   8,960.78/12,365.89 = 4,982.03/x
3. Step 3: Cross multiply
   8,960.78x = 12,365.89 × 4,982.03
4. Step 4: Simplify right side
   8,960.78x = 61,607,255.84
5. Step 5: Solve for x
   x = 61,607,255.84/8,960.78
6. Step 6: Final answer
   x = 6,875.21