Finding the Fourth Proportional to 3,118.43, 4,676.00 and 1,038.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118.43 : 4,676.00 = 1,038.21 : x
2. Step 2: Convert to fraction form
   3,118.43/4,676.00 = 1,038.21/x
3. Step 3: Cross multiply
   3,118.43x = 4,676.00 × 1,038.21
4. Step 4: Simplify right side
   3,118.43x = 4,854,664.77
5. Step 5: Solve for x
   x = 4,854,664.77/3,118.43
6. Step 6: Final answer
   x = 1,556.77