Finding the Fourth Proportional to 2,571.01, 3,548.00 and 1,392.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.01 : 3,548.00 = 1,392.08 : x
2. Step 2: Convert to fraction form
   2,571.01/3,548.00 = 1,392.08/x
3. Step 3: Cross multiply
   2,571.01x = 3,548.00 × 1,392.08
4. Step 4: Simplify right side
   2,571.01x = 4,939,092.88
5. Step 5: Solve for x
   x = 4,939,092.88/2,571.01
6. Step 6: Final answer
   x = 1,921.07