Finding the Fourth Proportional to 21,852.25, 32,730.37 and 18,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,852.25 : 32,730.37 = 18,061.12 : x
2. Step 2: Convert to fraction form
   21,852.25/32,730.37 = 18,061.12/x
3. Step 3: Cross multiply
   21,852.25x = 32,730.37 × 18,061.12
4. Step 4: Simplify right side
   21,852.25x = 591,147,140.21
5. Step 5: Solve for x
   x = 591,147,140.21/21,852.25
6. Step 6: Final answer
   x = 27,052.00