Finding the Fourth Proportional to 1,147.39, 1,727.33 and 1,045.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.39 : 1,727.33 = 1,045.33 : x
2. Step 2: Convert to fraction form
   1,147.39/1,727.33 = 1,045.33/x
3. Step 3: Cross multiply
   1,147.39x = 1,727.33 × 1,045.33
4. Step 4: Simplify right side
   1,147.39x = 1,805,620.32
5. Step 5: Solve for x
   x = 1,805,620.32/1,147.39
6. Step 6: Final answer
   x = 1,573.68