Finding the Fourth Proportional to 8,796.54, 12,139.13 and 4,817.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.54 : 12,139.13 = 4,817.42 : x
2. Step 2: Convert to fraction form
   8,796.54/12,139.13 = 4,817.42/x
3. Step 3: Cross multiply
   8,796.54x = 12,139.13 × 4,817.42
4. Step 4: Simplify right side
   8,796.54x = 58,479,287.64
5. Step 5: Solve for x
   x = 58,479,287.64/8,796.54
6. Step 6: Final answer
   x = 6,647.99