Finding the Fourth Proportional to 2,571.50, 3,548.73 and 1,577.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.50 : 3,548.73 = 1,577.32 : x
2. Step 2: Convert to fraction form
   2,571.50/3,548.73 = 1,577.32/x
3. Step 3: Cross multiply
   2,571.50x = 3,548.73 × 1,577.32
4. Step 4: Simplify right side
   2,571.50x = 5,597,482.80
5. Step 5: Solve for x
   x = 5,597,482.80/2,571.50
6. Step 6: Final answer
   x = 2,176.74