Finding the Fourth Proportional to 54,662.72, 81,808.72 and 33,615.96

Step by Step Solution

1. Step 1: Write the proportion equation
   54,662.72 : 81,808.72 = 33,615.96 : x
2. Step 2: Convert to fraction form
   54,662.72/81,808.72 = 33,615.96/x
3. Step 3: Cross multiply
   54,662.72x = 81,808.72 × 33,615.96
4. Step 4: Simplify right side
   54,662.72x = 2,750,078,659.17
5. Step 5: Solve for x
   x = 2,750,078,659.17/54,662.72
6. Step 6: Final answer
   x = 50,309.95