Finding the Fourth Proportional to 22,362.49, 30,859.57 and 12,802.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,362.49 : 30,859.57 = 12,802.06 : x
2. Step 2: Convert to fraction form
   22,362.49/30,859.57 = 12,802.06/x
3. Step 3: Cross multiply
   22,362.49x = 30,859.57 × 12,802.06
4. Step 4: Simplify right side
   22,362.49x = 395,066,066.71
5. Step 5: Solve for x
   x = 395,066,066.71/22,362.49
6. Step 6: Final answer
   x = 17,666.46