Finding the Fourth Proportional to 2,012.07, 3,012.63 and 1,036.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.07 : 3,012.63 = 1,036.12 : x
2. Step 2: Convert to fraction form
   2,012.07/3,012.63 = 1,036.12/x
3. Step 3: Cross multiply
   2,012.07x = 3,012.63 × 1,036.12
4. Step 4: Simplify right side
   2,012.07x = 3,121,446.20
5. Step 5: Solve for x
   x = 3,121,446.20/2,012.07
6. Step 6: Final answer
   x = 1,551.36