Finding the Fourth Proportional to 1,141.35, 1,581.69 and 1,119.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.35 : 1,581.69 = 1,119.48 : x
2. Step 2: Convert to fraction form
   1,141.35/1,581.69 = 1,119.48/x
3. Step 3: Cross multiply
   1,141.35x = 1,581.69 × 1,119.48
4. Step 4: Simplify right side
   1,141.35x = 1,770,670.32
5. Step 5: Solve for x
   x = 1,770,670.32/1,141.35
6. Step 6: Final answer
   x = 1,551.38