Finding the Fourth Proportional to 22,807.91, 31,474.59 and 12,736.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,807.91 : 31,474.59 = 12,736.53 : x
2. Step 2: Convert to fraction form
   22,807.91/31,474.59 = 12,736.53/x
3. Step 3: Cross multiply
   22,807.91x = 31,474.59 × 12,736.53
4. Step 4: Simplify right side
   22,807.91x = 400,877,059.77
5. Step 5: Solve for x
   x = 400,877,059.77/22,807.91
6. Step 6: Final answer
   x = 17,576.23