Finding the Fourth Proportional to 2,061.18, 2,841.12 and 1,618.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.18 : 2,841.12 = 1,618.38 : x
2. Step 2: Convert to fraction form
   2,061.18/2,841.12 = 1,618.38/x
3. Step 3: Cross multiply
   2,061.18x = 2,841.12 × 1,618.38
4. Step 4: Simplify right side
   2,061.18x = 4,598,011.79
5. Step 5: Solve for x
   x = 4,598,011.79/2,061.18
6. Step 6: Final answer
   x = 2,230.77