Finding the Fourth Proportional to 1,548.56, 2,319.78 and 932.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.56 : 2,319.78 = 932.42 : x
2. Step 2: Convert to fraction form
   1,548.56/2,319.78 = 932.42/x
3. Step 3: Cross multiply
   1,548.56x = 2,319.78 × 932.42
4. Step 4: Simplify right side
   1,548.56x = 2,163,009.27
5. Step 5: Solve for x
   x = 2,163,009.27/1,548.56
6. Step 6: Final answer
   x = 1,396.79