Finding the Fourth Proportional to 10,388.45, 15,582.98 and 3,819.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.45 : 15,582.98 = 3,819.56 : x
2. Step 2: Convert to fraction form
   10,388.45/15,582.98 = 3,819.56/x
3. Step 3: Cross multiply
   10,388.45x = 15,582.98 × 3,819.56
4. Step 4: Simplify right side
   10,388.45x = 59,520,058.72
5. Step 5: Solve for x
   x = 59,520,058.72/10,388.45
6. Step 6: Final answer
   x = 5,729.44