Finding the Fourth Proportional to 30,853.50, 42,577.50 and 17,424.51

Step by Step Solution

1. Step 1: Write the proportion equation
   30,853.50 : 42,577.50 = 17,424.51 : x
2. Step 2: Convert to fraction form
   30,853.50/42,577.50 = 17,424.51/x
3. Step 3: Cross multiply
   30,853.50x = 42,577.50 × 17,424.51
4. Step 4: Simplify right side
   30,853.50x = 741,892,074.53
5. Step 5: Solve for x
   x = 741,892,074.53/30,853.50
6. Step 6: Final answer
   x = 24,045.64