Finding the Fourth Proportional to 1,929.56, 2,662.79 and 1,045.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.56 : 2,662.79 = 1,045.35 : x
2. Step 2: Convert to fraction form
   1,929.56/2,662.79 = 1,045.35/x
3. Step 3: Cross multiply
   1,929.56x = 2,662.79 × 1,045.35
4. Step 4: Simplify right side
   1,929.56x = 2,783,542.30
5. Step 5: Solve for x
   x = 2,783,542.30/1,929.56
6. Step 6: Final answer
   x = 1,442.58