Finding the Fourth Proportional to 1,929.14, 2,662.01 and 1,078.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.14 : 2,662.01 = 1,078.23 : x
2. Step 2: Convert to fraction form
   1,929.14/2,662.01 = 1,078.23/x
3. Step 3: Cross multiply
   1,929.14x = 2,662.01 × 1,078.23
4. Step 4: Simplify right side
   1,929.14x = 2,870,259.04
5. Step 5: Solve for x
   x = 2,870,259.04/1,929.14
6. Step 6: Final answer
   x = 1,487.85