Finding the Fourth Proportional to 81,968.72, 122,984.04 and 32,084.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,968.72 : 122,984.04 = 32,084.46 : x
2. Step 2: Convert to fraction form
   81,968.72/122,984.04 = 32,084.46/x
3. Step 3: Cross multiply
   81,968.72x = 122,984.04 × 32,084.46
4. Step 4: Simplify right side
   81,968.72x = 3,945,876,512.02
5. Step 5: Solve for x
   x = 3,945,876,512.02/81,968.72
6. Step 6: Final answer
   x = 48,138.81