Finding the Fourth Proportional to 2,318.82, 3,475.89 and 1,019.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.82 : 3,475.89 = 1,019.22 : x
2. Step 2: Convert to fraction form
   2,318.82/3,475.89 = 1,019.22/x
3. Step 3: Cross multiply
   2,318.82x = 3,475.89 × 1,019.22
4. Step 4: Simplify right side
   2,318.82x = 3,542,696.61
5. Step 5: Solve for x
   x = 3,542,696.61/2,318.82
6. Step 6: Final answer
   x = 1,527.80