Finding the Fourth Proportional to 33,081.76, 45,654.87 and 18,934.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,081.76 : 45,654.87 = 18,934.30 : x
2. Step 2: Convert to fraction form
   33,081.76/45,654.87 = 18,934.30/x
3. Step 3: Cross multiply
   33,081.76x = 45,654.87 × 18,934.30
4. Step 4: Simplify right side
   33,081.76x = 864,443,005.04
5. Step 5: Solve for x
   x = 864,443,005.04/33,081.76
6. Step 6: Final answer
   x = 26,130.50