Finding the Fourth Proportional to 33,216.76, 45,838.78 and 18,109.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,216.76 : 45,838.78 = 18,109.38 : x
2. Step 2: Convert to fraction form
   33,216.76/45,838.78 = 18,109.38/x
3. Step 3: Cross multiply
   33,216.76x = 45,838.78 × 18,109.38
4. Step 4: Simplify right side
   33,216.76x = 830,111,885.76
5. Step 5: Solve for x
   x = 830,111,885.76/33,216.76
6. Step 6: Final answer
   x = 24,990.75