Finding the Fourth Proportional to 16,485.64, 22,750.59 and 9,770.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.64 : 22,750.59 = 9,770.17 : x
2. Step 2: Convert to fraction form
   16,485.64/22,750.59 = 9,770.17/x
3. Step 3: Cross multiply
   16,485.64x = 22,750.59 × 9,770.17
4. Step 4: Simplify right side
   16,485.64x = 222,277,131.90
5. Step 5: Solve for x
   x = 222,277,131.90/16,485.64
6. Step 6: Final answer
   x = 13,483.08