Finding the Fourth Proportional to 3,196.65, 4,793.34 and 1,440.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.65 : 4,793.34 = 1,440.15 : x
2. Step 2: Convert to fraction form
   3,196.65/4,793.34 = 1,440.15/x
3. Step 3: Cross multiply
   3,196.65x = 4,793.34 × 1,440.15
4. Step 4: Simplify right side
   3,196.65x = 6,903,128.60
5. Step 5: Solve for x
   x = 6,903,128.60/3,196.65
6. Step 6: Final answer
   x = 2,159.49