Finding the Fourth Proportional to 2,580.12, 3,559.91 and 1,634.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.12 : 3,559.91 = 1,634.22 : x
2. Step 2: Convert to fraction form
   2,580.12/3,559.91 = 1,634.22/x
3. Step 3: Cross multiply
   2,580.12x = 3,559.91 × 1,634.22
4. Step 4: Simplify right side
   2,580.12x = 5,817,667.95
5. Step 5: Solve for x
   x = 5,817,667.95/2,580.12
6. Step 6: Final answer
   x = 2,254.81