Finding the Fourth Proportional to 2,010.77, 3,020.78 and 1,419.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.77 : 3,020.78 = 1,419.15 : x
2. Step 2: Convert to fraction form
   2,010.77/3,020.78 = 1,419.15/x
3. Step 3: Cross multiply
   2,010.77x = 3,020.78 × 1,419.15
4. Step 4: Simplify right side
   2,010.77x = 4,286,932.84
5. Step 5: Solve for x
   x = 4,286,932.84/2,010.77
6. Step 6: Final answer
   x = 2,131.99