Finding the Fourth Proportional to 2,010.20, 3,012.10 and 1,683.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.20 : 3,012.10 = 1,683.80 : x
2. Step 2: Convert to fraction form
   2,010.20/3,012.10 = 1,683.80/x
3. Step 3: Cross multiply
   2,010.20x = 3,012.10 × 1,683.80
4. Step 4: Simplify right side
   2,010.20x = 5,071,773.98
5. Step 5: Solve for x
   x = 5,071,773.98/2,010.20
6. Step 6: Final answer
   x = 2,523.02