Finding the Fourth Proportional to 2,681.34, 4,021.52 and 1,120.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.34 : 4,021.52 = 1,120.92 : x
2. Step 2: Convert to fraction form
   2,681.34/4,021.52 = 1,120.92/x
3. Step 3: Cross multiply
   2,681.34x = 4,021.52 × 1,120.92
4. Step 4: Simplify right side
   2,681.34x = 4,507,796.59
5. Step 5: Solve for x
   x = 4,507,796.59/2,681.34
6. Step 6: Final answer
   x = 1,681.17