Finding the Fourth Proportional to 22,164.89, 30,586.73 and 12,605.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,164.89 : 30,586.73 = 12,605.16 : x
2. Step 2: Convert to fraction form
   22,164.89/30,586.73 = 12,605.16/x
3. Step 3: Cross multiply
   22,164.89x = 30,586.73 × 12,605.16
4. Step 4: Simplify right side
   22,164.89x = 385,550,625.53
5. Step 5: Solve for x
   x = 385,550,625.53/22,164.89
6. Step 6: Final answer
   x = 17,394.66