Finding the Fourth Proportional to 3,196.55, 4,787.90 and 1,549.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.55 : 4,787.90 = 1,549.65 : x
2. Step 2: Convert to fraction form
   3,196.55/4,787.90 = 1,549.65/x
3. Step 3: Cross multiply
   3,196.55x = 4,787.90 × 1,549.65
4. Step 4: Simplify right side
   3,196.55x = 7,419,561.49
5. Step 5: Solve for x
   x = 7,419,561.49/3,196.55
6. Step 6: Final answer
   x = 2,321.12