Finding the Fourth Proportional to 3,885.54, 5,819.00 and 3,418.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,885.54 : 5,819.00 = 3,418.58 : x
2. Step 2: Convert to fraction form
   3,885.54/5,819.00 = 3,418.58/x
3. Step 3: Cross multiply
   3,885.54x = 5,819.00 × 3,418.58
4. Step 4: Simplify right side
   3,885.54x = 19,892,670.83
5. Step 5: Solve for x
   x = 19,892,670.83/3,885.54
6. Step 6: Final answer
   x = 5,119.67