Finding the Fourth Proportional to 13,208.67, 19,815.23 and 4,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,208.67 : 19,815.23 = 4,441.50 : x
2. Step 2: Convert to fraction form
   13,208.67/19,815.23 = 4,441.50/x
3. Step 3: Cross multiply
   13,208.67x = 19,815.23 × 4,441.50
4. Step 4: Simplify right side
   13,208.67x = 88,009,355.15
5. Step 5: Solve for x
   x = 88,009,355.15/13,208.67
6. Step 6: Final answer
   x = 6,663.00