Finding the Fourth Proportional to 30,561.48, 42,129.78 and 23,839.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,561.48 : 42,129.78 = 23,839.56 : x
2. Step 2: Convert to fraction form
   30,561.48/42,129.78 = 23,839.56/x
3. Step 3: Cross multiply
   30,561.48x = 42,129.78 × 23,839.56
4. Step 4: Simplify right side
   30,561.48x = 1,004,355,418.10
5. Step 5: Solve for x
   x = 1,004,355,418.10/30,561.48
6. Step 6: Final answer
   x = 32,863.44