Finding the Fourth Proportional to 22,017.81, 30,384.59 and 12,586.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,017.81 : 30,384.59 = 12,586.58 : x
2. Step 2: Convert to fraction form
   22,017.81/30,384.59 = 12,586.58/x
3. Step 3: Cross multiply
   22,017.81x = 30,384.59 × 12,586.58
4. Step 4: Simplify right side
   22,017.81x = 382,438,072.80
5. Step 5: Solve for x
   x = 382,438,072.80/22,017.81
6. Step 6: Final answer
   x = 17,369.49