Finding the Fourth Proportional to 10,148.06, 15,223.98 and 3,578.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,148.06 : 15,223.98 = 3,578.42 : x
2. Step 2: Convert to fraction form
   10,148.06/15,223.98 = 3,578.42/x
3. Step 3: Cross multiply
   10,148.06x = 15,223.98 × 3,578.42
4. Step 4: Simplify right side
   10,148.06x = 54,477,794.51
5. Step 5: Solve for x
   x = 54,477,794.51/10,148.06
6. Step 6: Final answer
   x = 5,368.30