Finding the Fourth Proportional to 23,522.74, 32,460.78 and 12,912.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,522.74 : 32,460.78 = 12,912.28 : x
2. Step 2: Convert to fraction form
   23,522.74/32,460.78 = 12,912.28/x
3. Step 3: Cross multiply
   23,522.74x = 32,460.78 × 12,912.28
4. Step 4: Simplify right side
   23,522.74x = 419,142,680.38
5. Step 5: Solve for x
   x = 419,142,680.38/23,522.74
6. Step 6: Final answer
   x = 17,818.62