Finding the Fourth Proportional to 30,570.48, 42,212.16 and 24,906.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,570.48 : 42,212.16 = 24,906.06 : x
2. Step 2: Convert to fraction form
   30,570.48/42,212.16 = 24,906.06/x
3. Step 3: Cross multiply
   30,570.48x = 42,212.16 × 24,906.06
4. Step 4: Simplify right side
   30,570.48x = 1,051,338,589.69
5. Step 5: Solve for x
   x = 1,051,338,589.69/30,570.48
6. Step 6: Final answer
   x = 34,390.65