Finding the Fourth Proportional to 12,144.34, 16,762.33 and 7,906.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.34 : 16,762.33 = 7,906.01 : x
2. Step 2: Convert to fraction form
   12,144.34/16,762.33 = 7,906.01/x
3. Step 3: Cross multiply
   12,144.34x = 16,762.33 × 7,906.01
4. Step 4: Simplify right side
   12,144.34x = 132,523,063.56
5. Step 5: Solve for x
   x = 132,523,063.56/12,144.34
6. Step 6: Final answer
   x = 10,912.33