Finding the Fourth Proportional to 1,929.58, 2,662.82 and 1,045.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.58 : 2,662.82 = 1,045.38 : x
2. Step 2: Convert to fraction form
   1,929.58/2,662.82 = 1,045.38/x
3. Step 3: Cross multiply
   1,929.58x = 2,662.82 × 1,045.38
4. Step 4: Simplify right side
   1,929.58x = 2,783,658.77
5. Step 5: Solve for x
   x = 2,783,658.77/1,929.58
6. Step 6: Final answer
   x = 1,442.62