Finding the Fourth Proportional to 2,637.69, 3,955.22 and 882.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.69 : 3,955.22 = 882.09 : x
2. Step 2: Convert to fraction form
   2,637.69/3,955.22 = 882.09/x
3. Step 3: Cross multiply
   2,637.69x = 3,955.22 × 882.09
4. Step 4: Simplify right side
   2,637.69x = 3,488,855.60
5. Step 5: Solve for x
   x = 3,488,855.60/2,637.69
6. Step 6: Final answer
   x = 1,322.69