Finding the Fourth Proportional to 22,535.25, 33,770.00 and 12,677.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,535.25 : 33,770.00 = 12,677.28 : x
2. Step 2: Convert to fraction form
   22,535.25/33,770.00 = 12,677.28/x
3. Step 3: Cross multiply
   22,535.25x = 33,770.00 × 12,677.28
4. Step 4: Simplify right side
   22,535.25x = 428,111,682.21
5. Step 5: Solve for x
   x = 428,111,682.21/22,535.25
6. Step 6: Final answer
   x = 18,997.42