Finding the Fourth Proportional to 1,942.79, 2,679.48 and 1,196.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.79 : 2,679.48 = 1,196.51 : x
2. Step 2: Convert to fraction form
   1,942.79/2,679.48 = 1,196.51/x
3. Step 3: Cross multiply
   1,942.79x = 2,679.48 × 1,196.51
4. Step 4: Simplify right side
   1,942.79x = 3,206,011.22
5. Step 5: Solve for x
   x = 3,206,011.22/1,942.79
6. Step 6: Final answer
   x = 1,650.21