Finding the Fourth Proportional to 2,018.70, 3,034.80 and 1,656.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.70 : 3,034.80 = 1,656.18 : x
2. Step 2: Convert to fraction form
   2,018.70/3,034.80 = 1,656.18/x
3. Step 3: Cross multiply
   2,018.70x = 3,034.80 × 1,656.18
4. Step 4: Simplify right side
   2,018.70x = 5,026,175.06
5. Step 5: Solve for x
   x = 5,026,175.06/2,018.70
6. Step 6: Final answer
   x = 2,489.81