Finding the Fourth Proportional to 33,015.18, 49,498.17 and 19,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,015.18 : 49,498.17 = 19,864.50 : x
2. Step 2: Convert to fraction form
   33,015.18/49,498.17 = 19,864.50/x
3. Step 3: Cross multiply
   33,015.18x = 49,498.17 × 19,864.50
4. Step 4: Simplify right side
   33,015.18x = 983,256,397.97
5. Step 5: Solve for x
   x = 983,256,397.97/33,015.18
6. Step 6: Final answer
   x = 29,781.95