Finding the Fourth Proportional to 2,140.67, 2,954.18 and 1,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.67 : 2,954.18 = 1,196.42 : x
2. Step 2: Convert to fraction form
   2,140.67/2,954.18 = 1,196.42/x
3. Step 3: Cross multiply
   2,140.67x = 2,954.18 × 1,196.42
4. Step 4: Simplify right side
   2,140.67x = 3,534,445.93
5. Step 5: Solve for x
   x = 3,534,445.93/2,140.67
6. Step 6: Final answer
   x = 1,651.09