Finding the Fourth Proportional to 30,142.52, 41,586.72 and 18,201.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,142.52 : 41,586.72 = 18,201.32 : x
2. Step 2: Convert to fraction form
   30,142.52/41,586.72 = 18,201.32/x
3. Step 3: Cross multiply
   30,142.52x = 41,586.72 × 18,201.32
4. Step 4: Simplify right side
   30,142.52x = 756,933,198.47
5. Step 5: Solve for x
   x = 756,933,198.47/30,142.52
6. Step 6: Final answer
   x = 25,111.81