Finding the Fourth Proportional to 2,525.86, 3,789.40 and 882.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.86 : 3,789.40 = 882.57 : x
2. Step 2: Convert to fraction form
   2,525.86/3,789.40 = 882.57/x
3. Step 3: Cross multiply
   2,525.86x = 3,789.40 × 882.57
4. Step 4: Simplify right side
   2,525.86x = 3,344,410.76
5. Step 5: Solve for x
   x = 3,344,410.76/2,525.86
6. Step 6: Final answer
   x = 1,324.07