Finding the Fourth Proportional to 9,416.13, 12,994.86 and 5,224.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,416.13 : 12,994.86 = 5,224.38 : x
2. Step 2: Convert to fraction form
   9,416.13/12,994.86 = 5,224.38/x
3. Step 3: Cross multiply
   9,416.13x = 12,994.86 × 5,224.38
4. Step 4: Simplify right side
   9,416.13x = 67,890,086.69
5. Step 5: Solve for x
   x = 67,890,086.69/9,416.13
6. Step 6: Final answer
   x = 7,209.98