Finding the Fourth Proportional to 2,392.73, 3,588.06 and 931.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.73 : 3,588.06 = 931.54 : x
2. Step 2: Convert to fraction form
   2,392.73/3,588.06 = 931.54/x
3. Step 3: Cross multiply
   2,392.73x = 3,588.06 × 931.54
4. Step 4: Simplify right side
   2,392.73x = 3,342,422.66
5. Step 5: Solve for x
   x = 3,342,422.66/2,392.73
6. Step 6: Final answer
   x = 1,396.91