Finding the Fourth Proportional to 22,415.52, 30,926.52 and 12,982.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,415.52 : 30,926.52 = 12,982.26 : x
2. Step 2: Convert to fraction form
   22,415.52/30,926.52 = 12,982.26/x
3. Step 3: Cross multiply
   22,415.52x = 30,926.52 × 12,982.26
4. Step 4: Simplify right side
   22,415.52x = 401,496,123.54
5. Step 5: Solve for x
   x = 401,496,123.54/22,415.52
6. Step 6: Final answer
   x = 17,911.52