Finding the Fourth Proportional to 1,322.88, 1,826.52 and 881.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.88 : 1,826.52 = 881.82 : x
2. Step 2: Convert to fraction form
   1,322.88/1,826.52 = 881.82/x
3. Step 3: Cross multiply
   1,322.88x = 1,826.52 × 881.82
4. Step 4: Simplify right side
   1,322.88x = 1,610,661.87
5. Step 5: Solve for x
   x = 1,610,661.87/1,322.88
6. Step 6: Final answer
   x = 1,217.54