Finding the Fourth Proportional to 13,410.18, 18,505.98 and 7,441.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.18 : 18,505.98 = 7,441.83 : x
2. Step 2: Convert to fraction form
   13,410.18/18,505.98 = 7,441.83/x
3. Step 3: Cross multiply
   13,410.18x = 18,505.98 × 7,441.83
4. Step 4: Simplify right side
   13,410.18x = 137,718,357.14
5. Step 5: Solve for x
   x = 137,718,357.14/13,410.18
6. Step 6: Final answer
   x = 10,269.69