Finding the Fourth Proportional to 12,069.48, 18,108.14 and 5,830.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,069.48 : 18,108.14 = 5,830.20 : x
2. Step 2: Convert to fraction form
   12,069.48/18,108.14 = 5,830.20/x
3. Step 3: Cross multiply
   12,069.48x = 18,108.14 × 5,830.20
4. Step 4: Simplify right side
   12,069.48x = 105,574,132.40
5. Step 5: Solve for x
   x = 105,574,132.40/12,069.48
6. Step 6: Final answer
   x = 8,747.20