Finding the Fourth Proportional to 10,338.09, 15,506.78 and 2,942.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.09 : 15,506.78 = 2,942.59 : x
2. Step 2: Convert to fraction form
   10,338.09/15,506.78 = 2,942.59/x
3. Step 3: Cross multiply
   10,338.09x = 15,506.78 × 2,942.59
4. Step 4: Simplify right side
   10,338.09x = 45,630,081.05
5. Step 5: Solve for x
   x = 45,630,081.05/10,338.09
6. Step 6: Final answer
   x = 4,413.78