Finding the Fourth Proportional to 1,844.65, 2,545.54 and 1,005.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,844.65 : 2,545.54 = 1,005.33 : x
2. Step 2: Convert to fraction form
   1,844.65/2,545.54 = 1,005.33/x
3. Step 3: Cross multiply
   1,844.65x = 2,545.54 × 1,005.33
4. Step 4: Simplify right side
   1,844.65x = 2,559,105.72
5. Step 5: Solve for x
   x = 2,559,105.72/1,844.65
6. Step 6: Final answer
   x = 1,387.32