Finding the Fourth Proportional to 12,132.89, 16,739.20 and 7,354.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,132.89 : 16,739.20 = 7,354.37 : x
2. Step 2: Convert to fraction form
   12,132.89/16,739.20 = 7,354.37/x
3. Step 3: Cross multiply
   12,132.89x = 16,739.20 × 7,354.37
4. Step 4: Simplify right side
   12,132.89x = 123,106,270.30
5. Step 5: Solve for x
   x = 123,106,270.30/12,132.89
6. Step 6: Final answer
   x = 10,146.49