Finding the Fourth Proportional to 2,647.82, 3,973.54 and 1,771.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.82 : 3,973.54 = 1,771.32 : x
2. Step 2: Convert to fraction form
   2,647.82/3,973.54 = 1,771.32/x
3. Step 3: Cross multiply
   2,647.82x = 3,973.54 × 1,771.32
4. Step 4: Simplify right side
   2,647.82x = 7,038,410.87
5. Step 5: Solve for x
   x = 7,038,410.87/2,647.82
6. Step 6: Final answer
   x = 2,658.19