Finding the Fourth Proportional to 34,609.05, 47,738.31 and 21,839.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,609.05 : 47,738.31 = 21,839.69 : x
2. Step 2: Convert to fraction form
   34,609.05/47,738.31 = 21,839.69/x
3. Step 3: Cross multiply
   34,609.05x = 47,738.31 × 21,839.69
4. Step 4: Simplify right side
   34,609.05x = 1,042,589,652.83
5. Step 5: Solve for x
   x = 1,042,589,652.83/34,609.05
6. Step 6: Final answer
   x = 30,124.77