Finding the Fourth Proportional to 13,410.06, 18,505.69 and 7,441.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.06 : 18,505.69 = 7,441.71 : x
2. Step 2: Convert to fraction form
   13,410.06/18,505.69 = 7,441.71/x
3. Step 3: Cross multiply
   13,410.06x = 18,505.69 × 7,441.71
4. Step 4: Simplify right side
   13,410.06x = 137,713,978.33
5. Step 5: Solve for x
   x = 137,713,978.33/13,410.06
6. Step 6: Final answer
   x = 10,269.45