Finding the Fourth Proportional to 1,929.39, 2,662.54 and 1,045.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.39 : 2,662.54 = 1,045.18 : x
2. Step 2: Convert to fraction form
   1,929.39/2,662.54 = 1,045.18/x
3. Step 3: Cross multiply
   1,929.39x = 2,662.54 × 1,045.18
4. Step 4: Simplify right side
   1,929.39x = 2,782,833.56
5. Step 5: Solve for x
   x = 2,782,833.56/1,929.39
6. Step 6: Final answer
   x = 1,442.34