Finding the Fourth Proportional to 23,425.98, 35,152.83 and 8,645.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,425.98 : 35,152.83 = 8,645.19 : x
2. Step 2: Convert to fraction form
   23,425.98/35,152.83 = 8,645.19/x
3. Step 3: Cross multiply
   23,425.98x = 35,152.83 × 8,645.19
4. Step 4: Simplify right side
   23,425.98x = 303,902,894.39
5. Step 5: Solve for x
   x = 303,902,894.39/23,425.98
6. Step 6: Final answer
   x = 12,972.90