Finding the Fourth Proportional to 3,099.39, 4,648.71 and 1,019.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.39 : 4,648.71 = 1,019.41 : x
2. Step 2: Convert to fraction form
   3,099.39/4,648.71 = 1,019.41/x
3. Step 3: Cross multiply
   3,099.39x = 4,648.71 × 1,019.41
4. Step 4: Simplify right side
   3,099.39x = 4,738,941.46
5. Step 5: Solve for x
   x = 4,738,941.46/3,099.39
6. Step 6: Final answer
   x = 1,528.99