Finding the Fourth Proportional to 16,876.56, 23,289.72 and 9,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,876.56 : 23,289.72 = 9,424.56 : x
2. Step 2: Convert to fraction form
   16,876.56/23,289.72 = 9,424.56/x
3. Step 3: Cross multiply
   16,876.56x = 23,289.72 × 9,424.56
4. Step 4: Simplify right side
   16,876.56x = 219,495,363.52
5. Step 5: Solve for x
   x = 219,495,363.52/16,876.56
6. Step 6: Final answer
   x = 13,005.93