Finding the Fourth Proportional to 22,638.81, 33,766.06 and 22,245.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,638.81 : 33,766.06 = 22,245.15 : x
2. Step 2: Convert to fraction form
   22,638.81/33,766.06 = 22,245.15/x
3. Step 3: Cross multiply
   22,638.81x = 33,766.06 × 22,245.15
4. Step 4: Simplify right side
   22,638.81x = 751,131,014.00
5. Step 5: Solve for x
   x = 751,131,014.00/22,638.81
6. Step 6: Final answer
   x = 33,178.91