Finding the Fourth Proportional to 22,807.84, 31,474.52 and 12,736.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,807.84 : 31,474.52 = 12,736.46 : x
2. Step 2: Convert to fraction form
   22,807.84/31,474.52 = 12,736.46/x
3. Step 3: Cross multiply
   22,807.84x = 31,474.52 × 12,736.46
4. Step 4: Simplify right side
   22,807.84x = 400,873,743.94
5. Step 5: Solve for x
   x = 400,873,743.94/22,807.84
6. Step 6: Final answer
   x = 17,576.14