Finding the Fourth Proportional to 2,140.38, 2,953.59 and 1,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.38 : 2,953.59 = 1,196.31 : x
2. Step 2: Convert to fraction form
   2,140.38/2,953.59 = 1,196.31/x
3. Step 3: Cross multiply
   2,140.38x = 2,953.59 × 1,196.31
4. Step 4: Simplify right side
   2,140.38x = 3,533,409.25
5. Step 5: Solve for x
   x = 3,533,409.25/2,140.38
6. Step 6: Final answer
   x = 1,650.83