Finding the Fourth Proportional to 50,323.40, 69,444.82 and 28,812.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,323.40 : 69,444.82 = 28,812.42 : x
2. Step 2: Convert to fraction form
   50,323.40/69,444.82 = 28,812.42/x
3. Step 3: Cross multiply
   50,323.40x = 69,444.82 × 28,812.42
4. Step 4: Simplify right side
   50,323.40x = 2,000,873,320.66
5. Step 5: Solve for x
   x = 2,000,873,320.66/50,323.40
6. Step 6: Final answer
   x = 39,760.30