Finding the Fourth Proportional to 2,573.52, 3,551.76 and 1,578.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.52 : 3,551.76 = 1,578.44 : x
2. Step 2: Convert to fraction form
   2,573.52/3,551.76 = 1,578.44/x
3. Step 3: Cross multiply
   2,573.52x = 3,551.76 × 1,578.44
4. Step 4: Simplify right side
   2,573.52x = 5,606,222.30
5. Step 5: Solve for x
   x = 5,606,222.30/2,573.52
6. Step 6: Final answer
   x = 2,178.43