Finding the Fourth Proportional to 22,986.27, 31,733.16 and 15,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,986.27 : 31,733.16 = 15,472.10 : x
2. Step 2: Convert to fraction form
   22,986.27/31,733.16 = 15,472.10/x
3. Step 3: Cross multiply
   22,986.27x = 31,733.16 × 15,472.10
4. Step 4: Simplify right side
   22,986.27x = 490,978,624.84
5. Step 5: Solve for x
   x = 490,978,624.84/22,986.27
6. Step 6: Final answer
   x = 21,359.65