Finding the Fourth Proportional to 2,010.30, 3,012.03 and 1,929.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.30 : 3,012.03 = 1,929.30 : x
2. Step 2: Convert to fraction form
   2,010.30/3,012.03 = 1,929.30/x
3. Step 3: Cross multiply
   2,010.30x = 3,012.03 × 1,929.30
4. Step 4: Simplify right side
   2,010.30x = 5,811,109.48
5. Step 5: Solve for x
   x = 5,811,109.48/2,010.30
6. Step 6: Final answer
   x = 2,890.67