Finding the Fourth Proportional to 12,942.08, 19,413.55 and 3,581.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942.08 : 19,413.55 = 3,581.32 : x
2. Step 2: Convert to fraction form
   12,942.08/19,413.55 = 3,581.32/x
3. Step 3: Cross multiply
   12,942.08x = 19,413.55 × 3,581.32
4. Step 4: Simplify right side
   12,942.08x = 69,526,037.82
5. Step 5: Solve for x
   x = 69,526,037.82/12,942.08
6. Step 6: Final answer
   x = 5,372.09