Finding the Fourth Proportional to 3,659.63, 5,050.31 and 2,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.63 : 5,050.31 = 2,087.82 : x
2. Step 2: Convert to fraction form
   3,659.63/5,050.31 = 2,087.82/x
3. Step 3: Cross multiply
   3,659.63x = 5,050.31 × 2,087.82
4. Step 4: Simplify right side
   3,659.63x = 10,544,127.79
5. Step 5: Solve for x
   x = 10,544,127.79/3,659.63
6. Step 6: Final answer
   x = 2,881.20