Finding the Fourth Proportional to 22,185.64, 30,616 and 12,114.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.64 : 30,616 = 12,114.06 : x
2. Step 2: Convert to fraction form
   22,185.64/30,616 = 12,114.06/x
3. Step 3: Cross multiply
   22,185.64x = 30,616 × 12,114.06
4. Step 4: Simplify right side
   22,185.64x = 370,884,060.96
5. Step 5: Solve for x
   x = 370,884,060.96/22,185.64
6. Step 6: Final answer
   x = 16,717.30