Finding the Fourth Proportional to 1,942.88, 2,681.76 and 1,322.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.88 : 2,681.76 = 1,322.24 : x
2. Step 2: Convert to fraction form
   1,942.88/2,681.76 = 1,322.24/x
3. Step 3: Cross multiply
   1,942.88x = 2,681.76 × 1,322.24
4. Step 4: Simplify right side
   1,942.88x = 3,545,930.34
5. Step 5: Solve for x
   x = 3,545,930.34/1,942.88
6. Step 6: Final answer
   x = 1,825.09