Finding the Fourth Proportional to 1,662.47, 2,492.83 and 738.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.47 : 2,492.83 = 738.30 : x
2. Step 2: Convert to fraction form
   1,662.47/2,492.83 = 738.30/x
3. Step 3: Cross multiply
   1,662.47x = 2,492.83 × 738.30
4. Step 4: Simplify right side
   1,662.47x = 1,840,454.54
5. Step 5: Solve for x
   x = 1,840,454.54/1,662.47
6. Step 6: Final answer
   x = 1,107.06