Finding the Fourth Proportional to 3,196.60, 4,796.70 and 1,248.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.60 : 4,796.70 = 1,248.55 : x
2. Step 2: Convert to fraction form
   3,196.60/4,796.70 = 1,248.55/x
3. Step 3: Cross multiply
   3,196.60x = 4,796.70 × 1,248.55
4. Step 4: Simplify right side
   3,196.60x = 5,988,919.79
5. Step 5: Solve for x
   x = 5,988,919.79/3,196.60
6. Step 6: Final answer
   x = 1,873.53