Finding the Fourth Proportional to 2,591.52, 3,888.90 and 1,052.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.52 : 3,888.90 = 1,052.52 : x
2. Step 2: Convert to fraction form
   2,591.52/3,888.90 = 1,052.52/x
3. Step 3: Cross multiply
   2,591.52x = 3,888.90 × 1,052.52
4. Step 4: Simplify right side
   2,591.52x = 4,093,145.03
5. Step 5: Solve for x
   x = 4,093,145.03/2,591.52
6. Step 6: Final answer
   x = 1,579.44