Finding the Fourth Proportional to 1,904.73, 2,628.50 and 1,065.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.73 : 2,628.50 = 1,065.42 : x
2. Step 2: Convert to fraction form
   1,904.73/2,628.50 = 1,065.42/x
3. Step 3: Cross multiply
   1,904.73x = 2,628.50 × 1,065.42
4. Step 4: Simplify right side
   1,904.73x = 2,800,456.47
5. Step 5: Solve for x
   x = 2,800,456.47/1,904.73
6. Step 6: Final answer
   x = 1,470.26