Finding the Fourth Proportional to 30,585.29, 42,209.82 and 16,974.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,585.29 : 42,209.82 = 16,974.02 : x
2. Step 2: Convert to fraction form
   30,585.29/42,209.82 = 16,974.02/x
3. Step 3: Cross multiply
   30,585.29x = 42,209.82 × 16,974.02
4. Step 4: Simplify right side
   30,585.29x = 716,470,117.83
5. Step 5: Solve for x
   x = 716,470,117.83/30,585.29
6. Step 6: Final answer
   x = 23,425.32