Finding the Fourth Proportional to 13,468.82, 18,598.72 and 8,441.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,468.82 : 18,598.72 = 8,441.68 : x
2. Step 2: Convert to fraction form
   13,468.82/18,598.72 = 8,441.68/x
3. Step 3: Cross multiply
   13,468.82x = 18,598.72 × 8,441.68
4. Step 4: Simplify right side
   13,468.82x = 157,004,476.45
5. Step 5: Solve for x
   x = 157,004,476.45/13,468.82
6. Step 6: Final answer
   x = 11,656.89