Finding the Fourth Proportional to 8,796.30, 12,138.90 and 4,817.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.30 : 12,138.90 = 4,817.42 : x
2. Step 2: Convert to fraction form
   8,796.30/12,138.90 = 4,817.42/x
3. Step 3: Cross multiply
   8,796.30x = 12,138.90 × 4,817.42
4. Step 4: Simplify right side
   8,796.30x = 58,478,118.94
5. Step 5: Solve for x
   x = 58,478,118.94/8,796.30
6. Step 6: Final answer
   x = 6,648.04