Finding the Fourth Proportional to 2,140.38, 2,953.76 and 1,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.38 : 2,953.76 = 1,196.12 : x
2. Step 2: Convert to fraction form
   2,140.38/2,953.76 = 1,196.12/x
3. Step 3: Cross multiply
   2,140.38x = 2,953.76 × 1,196.12
4. Step 4: Simplify right side
   2,140.38x = 3,533,051.41
5. Step 5: Solve for x
   x = 3,533,051.41/2,140.38
6. Step 6: Final answer
   x = 1,650.67