Finding the Fourth Proportional to 50,472, 69,653.76 and 28,116

Step by Step Solution

1. Step 1: Write the proportion equation
   50,472 : 69,653.76 = 28,116 : x
2. Step 2: Convert to fraction form
   50,472/69,653.76 = 28,116/x
3. Step 3: Cross multiply
   50,472x = 69,653.76 × 28,116
4. Step 4: Simplify right side
   50,472x = 1,958,385,116.16
5. Step 5: Solve for x
   x = 1,958,385,116.16/50,472
6. Step 6: Final answer
   x = 38,801.42