Finding the Fourth Proportional to 3,196.60, 4,788.52 and 2,539.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.60 : 4,788.52 = 2,539.59 : x
2. Step 2: Convert to fraction form
   3,196.60/4,788.52 = 2,539.59/x
3. Step 3: Cross multiply
   3,196.60x = 4,788.52 × 2,539.59
4. Step 4: Simplify right side
   3,196.60x = 12,160,840.87
5. Step 5: Solve for x
   x = 12,160,840.87/3,196.60
6. Step 6: Final answer
   x = 3,804.30