Finding the Fourth Proportional to 16,677.63, 23,020.89 and 9,606.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,677.63 : 23,020.89 = 9,606.87 : x
2. Step 2: Convert to fraction form
   16,677.63/23,020.89 = 9,606.87/x
3. Step 3: Cross multiply
   16,677.63x = 23,020.89 × 9,606.87
4. Step 4: Simplify right side
   16,677.63x = 221,158,697.51
5. Step 5: Solve for x
   x = 221,158,697.51/16,677.63
6. Step 6: Final answer
   x = 13,260.80