Finding the Fourth Proportional to 2,681.52, 4,020.67 and 1,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.52 : 4,020.67 = 1,036.72 : x
2. Step 2: Convert to fraction form
   2,681.52/4,020.67 = 1,036.72/x
3. Step 3: Cross multiply
   2,681.52x = 4,020.67 × 1,036.72
4. Step 4: Simplify right side
   2,681.52x = 4,168,309.00
5. Step 5: Solve for x
   x = 4,168,309.00/2,681.52
6. Step 6: Final answer
   x = 1,554.46