Finding the Fourth Proportional to 1,904.47, 2,628.15 and 1,065.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.47 : 2,628.15 = 1,065.18 : x
2. Step 2: Convert to fraction form
   1,904.47/2,628.15 = 1,065.18/x
3. Step 3: Cross multiply
   1,904.47x = 2,628.15 × 1,065.18
4. Step 4: Simplify right side
   1,904.47x = 2,799,452.82
5. Step 5: Solve for x
   x = 2,799,452.82/1,904.47
6. Step 6: Final answer
   x = 1,469.94