Finding the Fourth Proportional to 2,061.35, 2,841.36 and 1,618.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.35 : 2,841.36 = 1,618.51 : x
2. Step 2: Convert to fraction form
   2,061.35/2,841.36 = 1,618.51/x
3. Step 3: Cross multiply
   2,061.35x = 2,841.36 × 1,618.51
4. Step 4: Simplify right side
   2,061.35x = 4,598,769.57
5. Step 5: Solve for x
   x = 4,598,769.57/2,061.35
6. Step 6: Final answer
   x = 2,230.95