Finding the Fourth Proportional to 50,358.56, 69,504.88 and 38,400.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,358.56 : 69,504.88 = 38,400.56 : x
2. Step 2: Convert to fraction form
   50,358.56/69,504.88 = 38,400.56/x
3. Step 3: Cross multiply
   50,358.56x = 69,504.88 × 38,400.56
4. Step 4: Simplify right side
   50,358.56x = 2,669,026,314.73
5. Step 5: Solve for x
   x = 2,669,026,314.73/50,358.56
6. Step 6: Final answer
   x = 53,000.45