Finding the Fourth Proportional to 78,563.82, 117,831.54 and 33,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,563.82 : 117,831.54 = 33,610.50 : x
2. Step 2: Convert to fraction form
   78,563.82/117,831.54 = 33,610.50/x
3. Step 3: Cross multiply
   78,563.82x = 117,831.54 × 33,610.50
4. Step 4: Simplify right side
   78,563.82x = 3,960,376,975.17
5. Step 5: Solve for x
   x = 3,960,376,975.17/78,563.82
6. Step 6: Final answer
   x = 50,409.68