Finding the Fourth Proportional to 3,065.18, 4,233.75 and 3,019.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.18 : 4,233.75 = 3,019.10 : x
2. Step 2: Convert to fraction form
   3,065.18/4,233.75 = 3,019.10/x
3. Step 3: Cross multiply
   3,065.18x = 4,233.75 × 3,019.10
4. Step 4: Simplify right side
   3,065.18x = 12,782,114.63
5. Step 5: Solve for x
   x = 12,782,114.63/3,065.18
6. Step 6: Final answer
   x = 4,170.10