Finding the Fourth Proportional to 1,928.83, 2,662.03 and 1,089.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.83 : 2,662.03 = 1,089.57 : x
2. Step 2: Convert to fraction form
   1,928.83/2,662.03 = 1,089.57/x
3. Step 3: Cross multiply
   1,928.83x = 2,662.03 × 1,089.57
4. Step 4: Simplify right side
   1,928.83x = 2,900,468.03
5. Step 5: Solve for x
   x = 2,900,468.03/1,928.83
6. Step 6: Final answer
   x = 1,503.74