Finding the Fourth Proportional to 2,525.31, 3,788.28 and 882.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.31 : 3,788.28 = 882.81 : x
2. Step 2: Convert to fraction form
   2,525.31/3,788.28 = 882.81/x
3. Step 3: Cross multiply
   2,525.31x = 3,788.28 × 882.81
4. Step 4: Simplify right side
   2,525.31x = 3,344,331.47
5. Step 5: Solve for x
   x = 3,344,331.47/2,525.31
6. Step 6: Final answer
   x = 1,324.33