Finding the Fourth Proportional to 22,042.02, 32,989.89 and 20,072.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,042.02 : 32,989.89 = 20,072.18 : x
2. Step 2: Convert to fraction form
   22,042.02/32,989.89 = 20,072.18/x
3. Step 3: Cross multiply
   22,042.02x = 32,989.89 × 20,072.18
4. Step 4: Simplify right side
   22,042.02x = 662,179,010.26
5. Step 5: Solve for x
   x = 662,179,010.26/22,042.02
6. Step 6: Final answer
   x = 30,041.67