Finding the Fourth Proportional to 22,362.47, 30,857.73 and 13,410.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,362.47 : 30,857.73 = 13,410.35 : x
2. Step 2: Convert to fraction form
   22,362.47/30,857.73 = 13,410.35/x
3. Step 3: Cross multiply
   22,362.47x = 30,857.73 × 13,410.35
4. Step 4: Simplify right side
   22,362.47x = 413,812,959.51
5. Step 5: Solve for x
   x = 413,812,959.51/22,362.47
6. Step 6: Final answer
   x = 18,504.80