Finding the Fourth Proportional to 30,441.47, 42,005.59 and 16,827.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,441.47 : 42,005.59 = 16,827.68 : x
2. Step 2: Convert to fraction form
   30,441.47/42,005.59 = 16,827.68/x
3. Step 3: Cross multiply
   30,441.47x = 42,005.59 × 16,827.68
4. Step 4: Simplify right side
   30,441.47x = 706,856,559.61
5. Step 5: Solve for x
   x = 706,856,559.61/30,441.47
6. Step 6: Final answer
   x = 23,220.18