Finding the Fourth Proportional to 1,662.82, 2,494.79 and 1,045.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.82 : 2,494.79 = 1,045.80 : x
2. Step 2: Convert to fraction form
   1,662.82/2,494.79 = 1,045.80/x
3. Step 3: Cross multiply
   1,662.82x = 2,494.79 × 1,045.80
4. Step 4: Simplify right side
   1,662.82x = 2,609,051.38
5. Step 5: Solve for x
   x = 2,609,051.38/1,662.82
6. Step 6: Final answer
   x = 1,569.05