Finding the Fourth Proportional to 2,140.63, 2,953.80 and 1,196.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.63 : 2,953.80 = 1,196.45 : x
2. Step 2: Convert to fraction form
   2,140.63/2,953.80 = 1,196.45/x
3. Step 3: Cross multiply
   2,140.63x = 2,953.80 × 1,196.45
4. Step 4: Simplify right side
   2,140.63x = 3,534,086.93
5. Step 5: Solve for x
   x = 3,534,086.93/2,140.63
6. Step 6: Final answer
   x = 1,650.96