Finding the Fourth Proportional to 3,656.58, 5,040.81 and 2,606.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.58 : 5,040.81 = 2,606.82 : x
2. Step 2: Convert to fraction form
   3,656.58/5,040.81 = 2,606.82/x
3. Step 3: Cross multiply
   3,656.58x = 5,040.81 × 2,606.82
4. Step 4: Simplify right side
   3,656.58x = 13,140,484.32
5. Step 5: Solve for x
   x = 13,140,484.32/3,656.58
6. Step 6: Final answer
   x = 3,593.65