Finding the Fourth Proportional to 1,342.49, 1,854.42 and 1,119.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.49 : 1,854.42 = 1,119.16 : x
2. Step 2: Convert to fraction form
   1,342.49/1,854.42 = 1,119.16/x
3. Step 3: Cross multiply
   1,342.49x = 1,854.42 × 1,119.16
4. Step 4: Simplify right side
   1,342.49x = 2,075,392.69
5. Step 5: Solve for x
   x = 2,075,392.69/1,342.49
6. Step 6: Final answer
   x = 1,545.93