Finding the Fourth Proportional to 12,059.19, 18,076.77 and 5,817.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059.19 : 18,076.77 = 5,817.42 : x
2. Step 2: Convert to fraction form
   12,059.19/18,076.77 = 5,817.42/x
3. Step 3: Cross multiply
   12,059.19x = 18,076.77 × 5,817.42
4. Step 4: Simplify right side
   12,059.19x = 105,160,163.33
5. Step 5: Solve for x
   x = 105,160,163.33/12,059.19
6. Step 6: Final answer
   x = 8,720.33