Finding the Fourth Proportional to 9,861.62, 14,768.90 and 5,468.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861.62 : 14,768.90 = 5,468.18 : x
2. Step 2: Convert to fraction form
   9,861.62/14,768.90 = 5,468.18/x
3. Step 3: Cross multiply
   9,861.62x = 14,768.90 × 5,468.18
4. Step 4: Simplify right side
   9,861.62x = 80,759,003.60
5. Step 5: Solve for x
   x = 80,759,003.60/9,861.62
6. Step 6: Final answer
   x = 8,189.22