Finding the Fourth Proportional to 53,974.56, 80,419.17 and 50,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,974.56 : 80,419.17 = 50,956.50 : x
2. Step 2: Convert to fraction form
   53,974.56/80,419.17 = 50,956.50/x
3. Step 3: Cross multiply
   53,974.56x = 80,419.17 × 50,956.50
4. Step 4: Simplify right side
   53,974.56x = 4,097,879,436.11
5. Step 5: Solve for x
   x = 4,097,879,436.11/53,974.56
6. Step 6: Final answer
   x = 75,922.42