Finding the Fourth Proportional to 12,944.42, 19,387.46 and 9,066.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.42 : 19,387.46 = 9,066.14 : x
2. Step 2: Convert to fraction form
   12,944.42/19,387.46 = 9,066.14/x
3. Step 3: Cross multiply
   12,944.42x = 19,387.46 × 9,066.14
4. Step 4: Simplify right side
   12,944.42x = 175,769,426.60
5. Step 5: Solve for x
   x = 175,769,426.60/12,944.42
6. Step 6: Final answer
   x = 13,578.78