Finding the Fourth Proportional to 2,010.61, 3,016.35 and 1,023.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.61 : 3,016.35 = 1,023.57 : x
2. Step 2: Convert to fraction form
   2,010.61/3,016.35 = 1,023.57/x
3. Step 3: Cross multiply
   2,010.61x = 3,016.35 × 1,023.57
4. Step 4: Simplify right side
   2,010.61x = 3,087,445.37
5. Step 5: Solve for x
   x = 3,087,445.37/2,010.61
6. Step 6: Final answer
   x = 1,535.58