Finding the Fourth Proportional to 2,561.22, 3,534.56 and 1,499.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.22 : 3,534.56 = 1,499.09 : x
2. Step 2: Convert to fraction form
   2,561.22/3,534.56 = 1,499.09/x
3. Step 3: Cross multiply
   2,561.22x = 3,534.56 × 1,499.09
4. Step 4: Simplify right side
   2,561.22x = 5,298,632.32
5. Step 5: Solve for x
   x = 5,298,632.32/2,561.22
6. Step 6: Final answer
   x = 2,068.79