Finding the Fourth Proportional to 22,361.78, 30,852.52 and 13,406.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,361.78 : 30,852.52 = 13,406.02 : x
2. Step 2: Convert to fraction form
   22,361.78/30,852.52 = 13,406.02/x
3. Step 3: Cross multiply
   22,361.78x = 30,852.52 × 13,406.02
4. Step 4: Simplify right side
   22,361.78x = 413,609,500.17
5. Step 5: Solve for x
   x = 413,609,500.17/22,361.78
6. Step 6: Final answer
   x = 18,496.27