Finding the Fourth Proportional to 2,523.47, 3,785.61 and 880.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.47 : 3,785.61 = 880.49 : x
2. Step 2: Convert to fraction form
   2,523.47/3,785.61 = 880.49/x
3. Step 3: Cross multiply
   2,523.47x = 3,785.61 × 880.49
4. Step 4: Simplify right side
   2,523.47x = 3,333,172.82
5. Step 5: Solve for x
   x = 3,333,172.82/2,523.47
6. Step 6: Final answer
   x = 1,320.87