Finding the Fourth Proportional to 53,774.46, 80,793.54 and 50,790.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,774.46 : 80,793.54 = 50,790.42 : x
2. Step 2: Convert to fraction form
   53,774.46/80,793.54 = 50,790.42/x
3. Step 3: Cross multiply
   53,774.46x = 80,793.54 × 50,790.42
4. Step 4: Simplify right side
   53,774.46x = 4,103,537,829.89
5. Step 5: Solve for x
   x = 4,103,537,829.89/53,774.46
6. Step 6: Final answer
   x = 76,310.16