Finding the Fourth Proportional to 1,929.89, 2,894.81 and 1,069.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.89 : 2,894.81 = 1,069.67 : x
2. Step 2: Convert to fraction form
   1,929.89/2,894.81 = 1,069.67/x
3. Step 3: Cross multiply
   1,929.89x = 2,894.81 × 1,069.67
4. Step 4: Simplify right side
   1,929.89x = 3,096,471.59
5. Step 5: Solve for x
   x = 3,096,471.59/1,929.89
6. Step 6: Final answer
   x = 1,604.49