Finding the Fourth Proportional to 3,099.91, 4,648.94 and 1,019.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.91 : 4,648.94 = 1,019.53 : x
2. Step 2: Convert to fraction form
   3,099.91/4,648.94 = 1,019.53/x
3. Step 3: Cross multiply
   3,099.91x = 4,648.94 × 1,019.53
4. Step 4: Simplify right side
   3,099.91x = 4,739,724.72
5. Step 5: Solve for x
   x = 4,739,724.72/3,099.91
6. Step 6: Final answer
   x = 1,528.99