Finding the Fourth Proportional to 50,619, 69,858.54 and 28,267.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,619 : 69,858.54 = 28,267.32 : x
2. Step 2: Convert to fraction form
   50,619/69,858.54 = 28,267.32/x
3. Step 3: Cross multiply
   50,619x = 69,858.54 × 28,267.32
4. Step 4: Simplify right side
   50,619x = 1,974,713,704.91
5. Step 5: Solve for x
   x = 1,974,713,704.91/50,619
6. Step 6: Final answer
   x = 39,011.31