Finding the Fourth Proportional to 22,802.16, 31,468.24 and 12,730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802.16 : 31,468.24 = 12,730.69 : x
2. Step 2: Convert to fraction form
   22,802.16/31,468.24 = 12,730.69/x
3. Step 3: Cross multiply
   22,802.16x = 31,468.24 × 12,730.69
4. Step 4: Simplify right side
   22,802.16x = 400,612,408.29
5. Step 5: Solve for x
   x = 400,612,408.29/22,802.16
6. Step 6: Final answer
   x = 17,569.06