Finding the Fourth Proportional to 8,839.21, 12,196.72 and 5,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,839.21 : 12,196.72 = 5,061.47 : x
2. Step 2: Convert to fraction form
   8,839.21/12,196.72 = 5,061.47/x
3. Step 3: Cross multiply
   8,839.21x = 12,196.72 × 5,061.47
4. Step 4: Simplify right side
   8,839.21x = 61,733,350.22
5. Step 5: Solve for x
   x = 61,733,350.22/8,839.21
6. Step 6: Final answer
   x = 6,984.04