Finding the Fourth Proportional to 16,440.84, 24,658.56 and 7,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,440.84 : 24,658.56 = 7,078.34 : x
2. Step 2: Convert to fraction form
   16,440.84/24,658.56 = 7,078.34/x
3. Step 3: Cross multiply
   16,440.84x = 24,658.56 × 7,078.34
4. Step 4: Simplify right side
   16,440.84x = 174,541,594.53
5. Step 5: Solve for x
   x = 174,541,594.53/16,440.84
6. Step 6: Final answer
   x = 10,616.34