Finding the Fourth Proportional to 1,578.83, 2,366.66 and 1,302.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578.83 : 2,366.66 = 1,302.03 : x
2. Step 2: Convert to fraction form
   1,578.83/2,366.66 = 1,302.03/x
3. Step 3: Cross multiply
   1,578.83x = 2,366.66 × 1,302.03
4. Step 4: Simplify right side
   1,578.83x = 3,081,469.69
5. Step 5: Solve for x
   x = 3,081,469.69/1,578.83
6. Step 6: Final answer
   x = 1,951.75