Finding the Fourth Proportional to 2,012.10, 3,010.05 and 1,817.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.10 : 3,010.05 = 1,817.70 : x
2. Step 2: Convert to fraction form
   2,012.10/3,010.05 = 1,817.70/x
3. Step 3: Cross multiply
   2,012.10x = 3,010.05 × 1,817.70
4. Step 4: Simplify right side
   2,012.10x = 5,471,367.89
5. Step 5: Solve for x
   x = 5,471,367.89/2,012.10
6. Step 6: Final answer
   x = 2,719.23