Finding the Fourth Proportional to 1,904.84, 2,628.78 and 1,065.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.84 : 2,628.78 = 1,065.54 : x
2. Step 2: Convert to fraction form
   1,904.84/2,628.78 = 1,065.54/x
3. Step 3: Cross multiply
   1,904.84x = 2,628.78 × 1,065.54
4. Step 4: Simplify right side
   1,904.84x = 2,801,076.10
5. Step 5: Solve for x
   x = 2,801,076.10/1,904.84
6. Step 6: Final answer
   x = 1,470.51