Finding the Fourth Proportional to 16,930.55, 23,362.38 and 9,376.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,930.55 : 23,362.38 = 9,376.69 : x
2. Step 2: Convert to fraction form
   16,930.55/23,362.38 = 9,376.69/x
3. Step 3: Cross multiply
   16,930.55x = 23,362.38 × 9,376.69
4. Step 4: Simplify right side
   16,930.55x = 219,061,736.52
5. Step 5: Solve for x
   x = 219,061,736.52/16,930.55
6. Step 6: Final answer
   x = 12,938.84