Finding the Fourth Proportional to 16,378.37, 22,602.15 and 9,304.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,378.37 : 22,602.15 = 9,304.80 : x
2. Step 2: Convert to fraction form
   16,378.37/22,602.15 = 9,304.80/x
3. Step 3: Cross multiply
   16,378.37x = 22,602.15 × 9,304.80
4. Step 4: Simplify right side
   16,378.37x = 210,308,485.32
5. Step 5: Solve for x
   x = 210,308,485.32/16,378.37
6. Step 6: Final answer
   x = 12,840.63