Finding the Fourth Proportional to 2,180.45, 3,272.10 and 881.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.45 : 3,272.10 = 881.62 : x
2. Step 2: Convert to fraction form
   2,180.45/3,272.10 = 881.62/x
3. Step 3: Cross multiply
   2,180.45x = 3,272.10 × 881.62
4. Step 4: Simplify right side
   2,180.45x = 2,884,737.32
5. Step 5: Solve for x
   x = 2,884,737.32/2,180.45
6. Step 6: Final answer
   x = 1,323.00