Finding the Fourth Proportional to 2,573.50, 3,551.43 and 1,525.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.50 : 3,551.43 = 1,525.78 : x
2. Step 2: Convert to fraction form
   2,573.50/3,551.43 = 1,525.78/x
3. Step 3: Cross multiply
   2,573.50x = 3,551.43 × 1,525.78
4. Step 4: Simplify right side
   2,573.50x = 5,418,700.87
5. Step 5: Solve for x
   x = 5,418,700.87/2,573.50
6. Step 6: Final answer
   x = 2,105.58