Finding the Fourth Proportional to 2,656.32, 3,983.40 and 2,040.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.32 : 3,983.40 = 2,040.72 : x
2. Step 2: Convert to fraction form
   2,656.32/3,983.40 = 2,040.72/x
3. Step 3: Cross multiply
   2,656.32x = 3,983.40 × 2,040.72
4. Step 4: Simplify right side
   2,656.32x = 8,129,004.05
5. Step 5: Solve for x
   x = 8,129,004.05/2,656.32
6. Step 6: Final answer
   x = 3,060.25