Finding the Fourth Proportional to 50,043.21, 69,084.61 and 28,818.37

Step by Step Solution

1. Step 1: Write the proportion equation
   50,043.21 : 69,084.61 = 28,818.37 : x
2. Step 2: Convert to fraction form
   50,043.21/69,084.61 = 28,818.37/x
3. Step 3: Cross multiply
   50,043.21x = 69,084.61 × 28,818.37
4. Step 4: Simplify right side
   50,043.21x = 1,990,905,852.29
5. Step 5: Solve for x
   x = 1,990,905,852.29/50,043.21
6. Step 6: Final answer
   x = 39,783.74