Finding the Fourth Proportional to 2,013.49, 3,020.67 and 1,026.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.49 : 3,020.67 = 1,026.45 : x
2. Step 2: Convert to fraction form
   2,013.49/3,020.67 = 1,026.45/x
3. Step 3: Cross multiply
   2,013.49x = 3,020.67 × 1,026.45
4. Step 4: Simplify right side
   2,013.49x = 3,100,566.72
5. Step 5: Solve for x
   x = 3,100,566.72/2,013.49
6. Step 6: Final answer
   x = 1,539.90