Finding the Fourth Proportional to 22,527.08, 31,086.83 and 12,455.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527.08 : 31,086.83 = 12,455.27 : x
2. Step 2: Convert to fraction form
   22,527.08/31,086.83 = 12,455.27/x
3. Step 3: Cross multiply
   22,527.08x = 31,086.83 × 12,455.27
4. Step 4: Simplify right side
   22,527.08x = 387,194,783.31
5. Step 5: Solve for x
   x = 387,194,783.31/22,527.08
6. Step 6: Final answer
   x = 17,187.97