Finding the Fourth Proportional to 2,548.06, 3,823.17 and 1,392.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.06 : 3,823.17 = 1,392.46 : x
2. Step 2: Convert to fraction form
   2,548.06/3,823.17 = 1,392.46/x
3. Step 3: Cross multiply
   2,548.06x = 3,823.17 × 1,392.46
4. Step 4: Simplify right side
   2,548.06x = 5,323,611.30
5. Step 5: Solve for x
   x = 5,323,611.30/2,548.06
6. Step 6: Final answer
   x = 2,089.28