Finding the Fourth Proportional to 1,904.82, 2,628.04 and 1,065.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.82 : 2,628.04 = 1,065.40 : x
2. Step 2: Convert to fraction form
   1,904.82/2,628.04 = 1,065.40/x
3. Step 3: Cross multiply
   1,904.82x = 2,628.04 × 1,065.40
4. Step 4: Simplify right side
   1,904.82x = 2,799,913.82
5. Step 5: Solve for x
   x = 2,799,913.82/1,904.82
6. Step 6: Final answer
   x = 1,469.91