Finding the Fourth Proportional to 22,185.58, 30,615.60 and 12,113.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.58 : 30,615.60 = 12,113.63 : x
2. Step 2: Convert to fraction form
   22,185.58/30,615.60 = 12,113.63/x
3. Step 3: Cross multiply
   22,185.58x = 30,615.60 × 12,113.63
4. Step 4: Simplify right side
   22,185.58x = 370,866,050.63
5. Step 5: Solve for x
   x = 370,866,050.63/22,185.58
6. Step 6: Final answer
   x = 16,716.54