Finding the Fourth Proportional to 22,005.18, 30,361.64 and 13,052.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,005.18 : 30,361.64 = 13,052.25 : x
2. Step 2: Convert to fraction form
   22,005.18/30,361.64 = 13,052.25/x
3. Step 3: Cross multiply
   22,005.18x = 30,361.64 × 13,052.25
4. Step 4: Simplify right side
   22,005.18x = 396,287,650.43
5. Step 5: Solve for x
   x = 396,287,650.43/22,005.18
6. Step 6: Final answer
   x = 18,008.83