Finding the Fourth Proportional to 1,929.29, 2,662.16 and 1,089.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.29 : 2,662.16 = 1,089.99 : x
2. Step 2: Convert to fraction form
   1,929.29/2,662.16 = 1,089.99/x
3. Step 3: Cross multiply
   1,929.29x = 2,662.16 × 1,089.99
4. Step 4: Simplify right side
   1,929.29x = 2,901,722.33
5. Step 5: Solve for x
   x = 2,901,722.33/1,929.29
6. Step 6: Final answer
   x = 1,504.04