Finding the Fourth Proportional to 13,662.37, 18,853.77 and 7,694.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,662.37 : 18,853.77 = 7,694.71 : x
2. Step 2: Convert to fraction form
   13,662.37/18,853.77 = 7,694.71/x
3. Step 3: Cross multiply
   13,662.37x = 18,853.77 × 7,694.71
4. Step 4: Simplify right side
   13,662.37x = 145,074,292.56
5. Step 5: Solve for x
   x = 145,074,292.56/13,662.37
6. Step 6: Final answer
   x = 10,618.53