Finding the Fourth Proportional to 53,799.92, 80,615.60 and 34,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,799.92 : 80,615.60 = 34,036.72 : x
2. Step 2: Convert to fraction form
   53,799.92/80,615.60 = 34,036.72/x
3. Step 3: Cross multiply
   53,799.92x = 80,615.60 × 34,036.72
4. Step 4: Simplify right side
   53,799.92x = 2,743,890,604.83
5. Step 5: Solve for x
   x = 2,743,890,604.83/53,799.92
6. Step 6: Final answer
   x = 51,001.76