Finding the Fourth Proportional to 33,176.72, 45,781.80 and 18,272.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,176.72 : 45,781.80 = 18,272.72 : x
2. Step 2: Convert to fraction form
   33,176.72/45,781.80 = 18,272.72/x
3. Step 3: Cross multiply
   33,176.72x = 45,781.80 × 18,272.72
4. Step 4: Simplify right side
   33,176.72x = 836,558,012.50
5. Step 5: Solve for x
   x = 836,558,012.50/33,176.72
6. Step 6: Final answer
   x = 25,215.21