Finding the Fourth Proportional to 1,942.79, 2,681.35 and 1,146.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.79 : 2,681.35 = 1,146.12 : x
2. Step 2: Convert to fraction form
   1,942.79/2,681.35 = 1,146.12/x
3. Step 3: Cross multiply
   1,942.79x = 2,681.35 × 1,146.12
4. Step 4: Simplify right side
   1,942.79x = 3,073,165.01
5. Step 5: Solve for x
   x = 3,073,165.01/1,942.79
6. Step 6: Final answer
   x = 1,581.83