Finding the Fourth Proportional to 1,618.08, 2,424.06 and 1,269.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618.08 : 2,424.06 = 1,269.78 : x
2. Step 2: Convert to fraction form
   1,618.08/2,424.06 = 1,269.78/x
3. Step 3: Cross multiply
   1,618.08x = 2,424.06 × 1,269.78
4. Step 4: Simplify right side
   1,618.08x = 3,078,022.91
5. Step 5: Solve for x
   x = 3,078,022.91/1,618.08
6. Step 6: Final answer
   x = 1,902.27