Finding the Fourth Proportional to 2,059.56, 3,091.16 and 1,647.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.56 : 3,091.16 = 1,647.68 : x
2. Step 2: Convert to fraction form
   2,059.56/3,091.16 = 1,647.68/x
3. Step 3: Cross multiply
   2,059.56x = 3,091.16 × 1,647.68
4. Step 4: Simplify right side
   2,059.56x = 5,093,231.17
5. Step 5: Solve for x
   x = 5,093,231.17/2,059.56
6. Step 6: Final answer
   x = 2,472.97