Finding the Fourth Proportional to 1,505.95, 2,257.39 and 1,019.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.95 : 2,257.39 = 1,019.05 : x
2. Step 2: Convert to fraction form
   1,505.95/2,257.39 = 1,019.05/x
3. Step 3: Cross multiply
   1,505.95x = 2,257.39 × 1,019.05
4. Step 4: Simplify right side
   1,505.95x = 2,300,393.28
5. Step 5: Solve for x
   x = 2,300,393.28/1,505.95
6. Step 6: Final answer
   x = 1,527.54