Finding the Fourth Proportional to 28,425, 42,604.29 and 16,746.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,425 : 42,604.29 = 16,746.42 : x
2. Step 2: Convert to fraction form
   28,425/42,604.29 = 16,746.42/x
3. Step 3: Cross multiply
   28,425x = 42,604.29 × 16,746.42
4. Step 4: Simplify right side
   28,425x = 713,469,334.14
5. Step 5: Solve for x
   x = 713,469,334.14/28,425
6. Step 6: Final answer
   x = 25,100.06