Finding the Fourth Proportional to 1,662.69, 2,494.60 and 1,045.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.69 : 2,494.60 = 1,045.67 : x
2. Step 2: Convert to fraction form
   1,662.69/2,494.60 = 1,045.67/x
3. Step 3: Cross multiply
   1,662.69x = 2,494.60 × 1,045.67
4. Step 4: Simplify right side
   1,662.69x = 2,608,528.38
5. Step 5: Solve for x
   x = 2,608,528.38/1,662.69
6. Step 6: Final answer
   x = 1,568.86