Finding the Fourth Proportional to 33,238.98, 45,868.11 and 18,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,238.98 : 45,868.11 = 18,131.52 : x
2. Step 2: Convert to fraction form
   33,238.98/45,868.11 = 18,131.52/x
3. Step 3: Cross multiply
   33,238.98x = 45,868.11 × 18,131.52
4. Step 4: Simplify right side
   33,238.98x = 831,658,605.33
5. Step 5: Solve for x
   x = 831,658,605.33/33,238.98
6. Step 6: Final answer
   x = 25,020.58