Finding the Fourth Proportional to 1,548.78, 2,320.08 and 932.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.78 : 2,320.08 = 932.15 : x
2. Step 2: Convert to fraction form
   1,548.78/2,320.08 = 932.15/x
3. Step 3: Cross multiply
   1,548.78x = 2,320.08 × 932.15
4. Step 4: Simplify right side
   1,548.78x = 2,162,662.57
5. Step 5: Solve for x
   x = 2,162,662.57/1,548.78
6. Step 6: Final answer
   x = 1,396.37