Finding the Fourth Proportional to 35,446.10, 53,103.55 and 20,662.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,446.10 : 53,103.55 = 20,662.10 : x
2. Step 2: Convert to fraction form
   35,446.10/53,103.55 = 20,662.10/x
3. Step 3: Cross multiply
   35,446.10x = 53,103.55 × 20,662.10
4. Step 4: Simplify right side
   35,446.10x = 1,097,230,860.46
5. Step 5: Solve for x
   x = 1,097,230,860.46/35,446.10
6. Step 6: Final answer
   x = 30,954.91