Finding the Fourth Proportional to 12,059.78, 18,087.30 and 3,292.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059.78 : 18,087.30 = 3,292.61 : x
2. Step 2: Convert to fraction form
   12,059.78/18,087.30 = 3,292.61/x
3. Step 3: Cross multiply
   12,059.78x = 18,087.30 × 3,292.61
4. Step 4: Simplify right side
   12,059.78x = 59,554,334.42
5. Step 5: Solve for x
   x = 59,554,334.42/12,059.78
6. Step 6: Final answer
   x = 4,938.26