Finding the Fourth Proportional to 22,157.49, 30,577.43 and 12,086.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157.49 : 30,577.43 = 12,086.15 : x
2. Step 2: Convert to fraction form
   22,157.49/30,577.43 = 12,086.15/x
3. Step 3: Cross multiply
   22,157.49x = 30,577.43 × 12,086.15
4. Step 4: Simplify right side
   22,157.49x = 369,563,214.94
5. Step 5: Solve for x
   x = 369,563,214.94/22,157.49
6. Step 6: Final answer
   x = 16,678.93