Finding the Fourth Proportional to 2,659.89, 3,977.16 and 2,427.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.89 : 3,977.16 = 2,427.52 : x
2. Step 2: Convert to fraction form
   2,659.89/3,977.16 = 2,427.52/x
3. Step 3: Cross multiply
   2,659.89x = 3,977.16 × 2,427.52
4. Step 4: Simplify right side
   2,659.89x = 9,654,635.44
5. Step 5: Solve for x
   x = 9,654,635.44/2,659.89
6. Step 6: Final answer
   x = 3,629.71