Finding the Fourth Proportional to 1,942.29, 2,679.80 and 1,196.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.29 : 2,679.80 = 1,196.37 : x
2. Step 2: Convert to fraction form
   1,942.29/2,679.80 = 1,196.37/x
3. Step 3: Cross multiply
   1,942.29x = 2,679.80 × 1,196.37
4. Step 4: Simplify right side
   1,942.29x = 3,206,026.34
5. Step 5: Solve for x
   x = 3,206,026.34/1,942.29
6. Step 6: Final answer
   x = 1,650.64