Finding the Fourth Proportional to 33,105.78, 45,686.16 and 17,998.61

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.78 : 45,686.16 = 17,998.61 : x
2. Step 2: Convert to fraction form
   33,105.78/45,686.16 = 17,998.61/x
3. Step 3: Cross multiply
   33,105.78x = 45,686.16 × 17,998.61
4. Step 4: Simplify right side
   33,105.78x = 822,287,147.81
5. Step 5: Solve for x
   x = 822,287,147.81/33,105.78
6. Step 6: Final answer
   x = 24,838.17