Finding the Fourth Proportional to 12,289.34, 16,904.50 and 10,769.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,289.34 : 16,904.50 = 10,769.38 : x
2. Step 2: Convert to fraction form
   12,289.34/16,904.50 = 10,769.38/x
3. Step 3: Cross multiply
   12,289.34x = 16,904.50 × 10,769.38
4. Step 4: Simplify right side
   12,289.34x = 182,050,915.03
5. Step 5: Solve for x
   x = 182,050,915.03/12,289.34
6. Step 6: Final answer
   x = 14,813.72