Finding the Fourth Proportional to 8,961.84, 12,372.48 and 5,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,961.84 : 12,372.48 = 5,982.72 : x
2. Step 2: Convert to fraction form
   8,961.84/12,372.48 = 5,982.72/x
3. Step 3: Cross multiply
   8,961.84x = 12,372.48 × 5,982.72
4. Step 4: Simplify right side
   8,961.84x = 74,021,083.55
5. Step 5: Solve for x
   x = 74,021,083.55/8,961.84
6. Step 6: Final answer
   x = 8,259.59