Finding the Fourth Proportional to 50,713.30, 69,978.97 and 28,048.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,713.30 : 69,978.97 = 28,048.69 : x
2. Step 2: Convert to fraction form
   50,713.30/69,978.97 = 28,048.69/x
3. Step 3: Cross multiply
   50,713.30x = 69,978.97 × 28,048.69
4. Step 4: Simplify right side
   50,713.30x = 1,962,818,436.05
5. Step 5: Solve for x
   x = 1,962,818,436.05/50,713.30
6. Step 6: Final answer
   x = 38,704.21