Finding the Fourth Proportional to 3,118.67, 4,674.46 and 1,038.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118.67 : 4,674.46 = 1,038.18 : x
2. Step 2: Convert to fraction form
   3,118.67/4,674.46 = 1,038.18/x
3. Step 3: Cross multiply
   3,118.67x = 4,674.46 × 1,038.18
4. Step 4: Simplify right side
   3,118.67x = 4,852,925.69
5. Step 5: Solve for x
   x = 4,852,925.69/3,118.67
6. Step 6: Final answer
   x = 1,556.09