Finding the Fourth Proportional to 22,061.66, 30,444.42 and 12,629.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.66 : 30,444.42 = 12,629.60 : x
2. Step 2: Convert to fraction form
   22,061.66/30,444.42 = 12,629.60/x
3. Step 3: Cross multiply
   22,061.66x = 30,444.42 × 12,629.60
4. Step 4: Simplify right side
   22,061.66x = 384,500,846.83
5. Step 5: Solve for x
   x = 384,500,846.83/22,061.66
6. Step 6: Final answer
   x = 17,428.46