Finding the Fourth Proportional to 68,756.79, 103,111.29 and 32,728.80

Step by Step Solution

1. Step 1: Write the proportion equation
   68,756.79 : 103,111.29 = 32,728.80 : x
2. Step 2: Convert to fraction form
   68,756.79/103,111.29 = 32,728.80/x
3. Step 3: Cross multiply
   68,756.79x = 103,111.29 × 32,728.80
4. Step 4: Simplify right side
   68,756.79x = 3,374,708,788.15
5. Step 5: Solve for x
   x = 3,374,708,788.15/68,756.79
6. Step 6: Final answer
   x = 49,081.83