Finding the Fourth Proportional to 22,064.42, 30,448.15 and 12,631.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,064.42 : 30,448.15 = 12,631.16 : x
2. Step 2: Convert to fraction form
   22,064.42/30,448.15 = 12,631.16/x
3. Step 3: Cross multiply
   22,064.42x = 30,448.15 × 12,631.16
4. Step 4: Simplify right side
   22,064.42x = 384,595,238.96
5. Step 5: Solve for x
   x = 384,595,238.96/22,064.42
6. Step 6: Final answer
   x = 17,430.57