Finding the Fourth Proportional to 2,523.76, 3,786.27 and 880.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.76 : 3,786.27 = 880.32 : x
2. Step 2: Convert to fraction form
   2,523.76/3,786.27 = 880.32/x
3. Step 3: Cross multiply
   2,523.76x = 3,786.27 × 880.32
4. Step 4: Simplify right side
   2,523.76x = 3,333,105.87
5. Step 5: Solve for x
   x = 3,333,105.87/2,523.76
6. Step 6: Final answer
   x = 1,320.69