Finding the Fourth Proportional to 2,561.83, 3,841.99 and 1,100.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.83 : 3,841.99 = 1,100.64 : x
2. Step 2: Convert to fraction form
   2,561.83/3,841.99 = 1,100.64/x
3. Step 3: Cross multiply
   2,561.83x = 3,841.99 × 1,100.64
4. Step 4: Simplify right side
   2,561.83x = 4,228,642.37
5. Step 5: Solve for x
   x = 4,228,642.37/2,561.83
6. Step 6: Final answer
   x = 1,650.63