Finding the Fourth Proportional to 16,636.69, 24,960.52 and 7,870.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,636.69 : 24,960.52 = 7,870.46 : x
2. Step 2: Convert to fraction form
   16,636.69/24,960.52 = 7,870.46/x
3. Step 3: Cross multiply
   16,636.69x = 24,960.52 × 7,870.46
4. Step 4: Simplify right side
   16,636.69x = 196,450,774.24
5. Step 5: Solve for x
   x = 196,450,774.24/16,636.69
6. Step 6: Final answer
   x = 11,808.29