Finding the Fourth Proportional to 9,414.96, 12,994.20 and 5,224.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,414.96 : 12,994.20 = 5,224.56 : x
2. Step 2: Convert to fraction form
   9,414.96/12,994.20 = 5,224.56/x
3. Step 3: Cross multiply
   9,414.96x = 12,994.20 × 5,224.56
4. Step 4: Simplify right side
   9,414.96x = 67,888,977.55
5. Step 5: Solve for x
   x = 67,888,977.55/9,414.96
6. Step 6: Final answer
   x = 7,210.76