Finding the Fourth Proportional to 12,089.86, 18,134.76 and 3,325.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.86 : 18,134.76 = 3,325.42 : x
2. Step 2: Convert to fraction form
   12,089.86/18,134.76 = 3,325.42/x
3. Step 3: Cross multiply
   12,089.86x = 18,134.76 × 3,325.42
4. Step 4: Simplify right side
   12,089.86x = 60,305,693.60
5. Step 5: Solve for x
   x = 60,305,693.60/12,089.86
6. Step 6: Final answer
   x = 4,988.12