Finding the Fourth Proportional to 23,353.90, 32,228.85 and 12,743.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,353.90 : 32,228.85 = 12,743.98 : x
2. Step 2: Convert to fraction form
   23,353.90/32,228.85 = 12,743.98/x
3. Step 3: Cross multiply
   23,353.90x = 32,228.85 × 12,743.98
4. Step 4: Simplify right side
   23,353.90x = 410,723,819.82
5. Step 5: Solve for x
   x = 410,723,819.82/23,353.90
6. Step 6: Final answer
   x = 17,586.95