Finding the Fourth Proportional to 31,078.16, 46,618.04 and 7,704.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,078.16 : 46,618.04 = 7,704.24 : x
2. Step 2: Convert to fraction form
   31,078.16/46,618.04 = 7,704.24/x
3. Step 3: Cross multiply
   31,078.16x = 46,618.04 × 7,704.24
4. Step 4: Simplify right side
   31,078.16x = 359,156,568.49
5. Step 5: Solve for x
   x = 359,156,568.49/31,078.16
6. Step 6: Final answer
   x = 11,556.56