Finding the Fourth Proportional to 22,323.12, 30,802.56 and 13,368.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,323.12 : 30,802.56 = 13,368.72 : x
2. Step 2: Convert to fraction form
   22,323.12/30,802.56 = 13,368.72/x
3. Step 3: Cross multiply
   22,323.12x = 30,802.56 × 13,368.72
4. Step 4: Simplify right side
   22,323.12x = 411,790,799.92
5. Step 5: Solve for x
   x = 411,790,799.92/22,323.12
6. Step 6: Final answer
   x = 18,446.83