Finding the Fourth Proportional to 2,577.32, 3,556.10 and 1,646.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.32 : 3,556.10 = 1,646.12 : x
2. Step 2: Convert to fraction form
   2,577.32/3,556.10 = 1,646.12/x
3. Step 3: Cross multiply
   2,577.32x = 3,556.10 × 1,646.12
4. Step 4: Simplify right side
   2,577.32x = 5,853,767.33
5. Step 5: Solve for x
   x = 5,853,767.33/2,577.32
6. Step 6: Final answer
   x = 2,271.26