Finding the Fourth Proportional to 50,435, 69,608.60 and 38,475.76

Step by Step Solution

1. Step 1: Write the proportion equation
   50,435 : 69,608.60 = 38,475.76 : x
2. Step 2: Convert to fraction form
   50,435/69,608.60 = 38,475.76/x
3. Step 3: Cross multiply
   50,435x = 69,608.60 × 38,475.76
4. Step 4: Simplify right side
   50,435x = 2,678,243,787.54
5. Step 5: Solve for x
   x = 2,678,243,787.54/50,435
6. Step 6: Final answer
   x = 53,102.88