Finding the Fourth Proportional to 22,017.74, 30,383.52 and 12,586.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,017.74 : 30,383.52 = 12,586.91 : x
2. Step 2: Convert to fraction form
   22,017.74/30,383.52 = 12,586.91/x
3. Step 3: Cross multiply
   22,017.74x = 30,383.52 × 12,586.91
4. Step 4: Simplify right side
   22,017.74x = 382,434,631.72
5. Step 5: Solve for x
   x = 382,434,631.72/22,017.74
6. Step 6: Final answer
   x = 17,369.39