Finding the Fourth Proportional to 3,556.18, 5,326.98 and 2,382.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556.18 : 5,326.98 = 2,382.58 : x
2. Step 2: Convert to fraction form
   3,556.18/5,326.98 = 2,382.58/x
3. Step 3: Cross multiply
   3,556.18x = 5,326.98 × 2,382.58
4. Step 4: Simplify right side
   3,556.18x = 12,691,956.01
5. Step 5: Solve for x
   x = 12,691,956.01/3,556.18
6. Step 6: Final answer
   x = 3,568.99