Finding the Fourth Proportional to 2,523.33, 3,782.40 and 878.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.33 : 3,782.40 = 878.52 : x
2. Step 2: Convert to fraction form
   2,523.33/3,782.40 = 878.52/x
3. Step 3: Cross multiply
   2,523.33x = 3,782.40 × 878.52
4. Step 4: Simplify right side
   2,523.33x = 3,322,914.05
5. Step 5: Solve for x
   x = 3,322,914.05/2,523.33
6. Step 6: Final answer
   x = 1,316.88