Finding the Fourth Proportional to 4,758.68, 7,132.55 and 3,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   4,758.68 : 7,132.55 = 3,196.80 : x
2. Step 2: Convert to fraction form
   4,758.68/7,132.55 = 3,196.80/x
3. Step 3: Cross multiply
   4,758.68x = 7,132.55 × 3,196.80
4. Step 4: Simplify right side
   4,758.68x = 22,801,335.84
5. Step 5: Solve for x
   x = 22,801,335.84/4,758.68
6. Step 6: Final answer
   x = 4,791.53