Finding the Fourth Proportional to 3,098.69, 4,648.61 and 1,018.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,098.69 : 4,648.61 = 1,018.81 : x
2. Step 2: Convert to fraction form
   3,098.69/4,648.61 = 1,018.81/x
3. Step 3: Cross multiply
   3,098.69x = 4,648.61 × 1,018.81
4. Step 4: Simplify right side
   3,098.69x = 4,736,045.26
5. Step 5: Solve for x
   x = 4,736,045.26/3,098.69
6. Step 6: Final answer
   x = 1,528.40