Finding the Fourth Proportional to 3,345.43, 5,016.31 and 2,656.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.43 : 5,016.31 = 2,656.52 : x
2. Step 2: Convert to fraction form
   3,345.43/5,016.31 = 2,656.52/x
3. Step 3: Cross multiply
   3,345.43x = 5,016.31 × 2,656.52
4. Step 4: Simplify right side
   3,345.43x = 13,325,927.84
5. Step 5: Solve for x
   x = 13,325,927.84/3,345.43
6. Step 6: Final answer
   x = 3,983.32