Finding the Fourth Proportional to 13,627.43, 18,805.37 and 7,659.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,627.43 : 18,805.37 = 7,659.43 : x
2. Step 2: Convert to fraction form
   13,627.43/18,805.37 = 7,659.43/x
3. Step 3: Cross multiply
   13,627.43x = 18,805.37 × 7,659.43
4. Step 4: Simplify right side
   13,627.43x = 144,038,329.83
5. Step 5: Solve for x
   x = 144,038,329.83/13,627.43
6. Step 6: Final answer
   x = 10,569.73