Finding the Fourth Proportional to 33,139.50, 45,732.51 and 18,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,139.50 : 45,732.51 = 18,235.50 : x
2. Step 2: Convert to fraction form
   33,139.50/45,732.51 = 18,235.50/x
3. Step 3: Cross multiply
   33,139.50x = 45,732.51 × 18,235.50
4. Step 4: Simplify right side
   33,139.50x = 833,955,186.11
5. Step 5: Solve for x
   x = 833,955,186.11/33,139.50
6. Step 6: Final answer
   x = 25,164.99