Finding the Fourth Proportional to 16,756.50, 23,123.97 and 9,304.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,756.50 : 23,123.97 = 9,304.50 : x
2. Step 2: Convert to fraction form
   16,756.50/23,123.97 = 9,304.50/x
3. Step 3: Cross multiply
   16,756.50x = 23,123.97 × 9,304.50
4. Step 4: Simplify right side
   16,756.50x = 215,156,978.87
5. Step 5: Solve for x
   x = 215,156,978.87/16,756.50
6. Step 6: Final answer
   x = 12,840.21