Finding the Fourth Proportional to 22,807.14, 31,475.16 and 12,735.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,807.14 : 31,475.16 = 12,735.72 : x
2. Step 2: Convert to fraction form
   22,807.14/31,475.16 = 12,735.72/x
3. Step 3: Cross multiply
   22,807.14x = 31,475.16 × 12,735.72
4. Step 4: Simplify right side
   22,807.14x = 400,858,824.72
5. Step 5: Solve for x
   x = 400,858,824.72/22,807.14
6. Step 6: Final answer
   x = 17,576.02