Finding the Fourth Proportional to 33,238.01, 45,868.60 and 18,131.01

Step by Step Solution

1. Step 1: Write the proportion equation
   33,238.01 : 45,868.60 = 18,131.01 : x
2. Step 2: Convert to fraction form
   33,238.01/45,868.60 = 18,131.01/x
3. Step 3: Cross multiply
   33,238.01x = 45,868.60 × 18,131.01
4. Step 4: Simplify right side
   33,238.01x = 831,644,043.69
5. Step 5: Solve for x
   x = 831,644,043.69/33,238.01
6. Step 6: Final answer
   x = 25,020.87