Finding the Fourth Proportional to 23,596.69, 35,353.32 and 12,478.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,596.69 : 35,353.32 = 12,478.72 : x
2. Step 2: Convert to fraction form
   23,596.69/35,353.32 = 12,478.72/x
3. Step 3: Cross multiply
   23,596.69x = 35,353.32 × 12,478.72
4. Step 4: Simplify right side
   23,596.69x = 441,164,181.35
5. Step 5: Solve for x
   x = 441,164,181.35/23,596.69
6. Step 6: Final answer
   x = 18,696.02