Finding the Fourth Proportional to 22,809.26, 31,476.82 and 12,737.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,809.26 : 31,476.82 = 12,737.67 : x
2. Step 2: Convert to fraction form
   22,809.26/31,476.82 = 12,737.67/x
3. Step 3: Cross multiply
   22,809.26x = 31,476.82 × 12,737.67
4. Step 4: Simplify right side
   22,809.26x = 400,941,345.81
5. Step 5: Solve for x
   x = 400,941,345.81/22,809.26
6. Step 6: Final answer
   x = 17,578.01