Finding the Fourth Proportional to 1,182.33, 1,769.85 and 1,081.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.33 : 1,769.85 = 1,081.53 : x
2. Step 2: Convert to fraction form
   1,182.33/1,769.85 = 1,081.53/x
3. Step 3: Cross multiply
   1,182.33x = 1,769.85 × 1,081.53
4. Step 4: Simplify right side
   1,182.33x = 1,914,145.87
5. Step 5: Solve for x
   x = 1,914,145.87/1,182.33
6. Step 6: Final answer
   x = 1,618.96