Finding the Fourth Proportional to 16,880.82, 23,296.15 and 9,806.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,880.82 : 23,296.15 = 9,806.88 : x
2. Step 2: Convert to fraction form
   16,880.82/23,296.15 = 9,806.88/x
3. Step 3: Cross multiply
   16,880.82x = 23,296.15 × 9,806.88
4. Step 4: Simplify right side
   16,880.82x = 228,462,547.51
5. Step 5: Solve for x
   x = 228,462,547.51/16,880.82
6. Step 6: Final answer
   x = 13,533.85