Finding the Fourth Proportional to 22,802, 31,467.84 and 12,730.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802 : 31,467.84 = 12,730.76 : x
2. Step 2: Convert to fraction form
   22,802/31,467.84 = 12,730.76/x
3. Step 3: Cross multiply
   22,802x = 31,467.84 × 12,730.76
4. Step 4: Simplify right side
   22,802x = 400,609,518.76
5. Step 5: Solve for x
   x = 400,609,518.76/22,802
6. Step 6: Final answer
   x = 17,569.05