Finding the Fourth Proportional to 35,456, 53,186.56 and 13,568

Step by Step Solution

1. Step 1: Write the proportion equation
   35,456 : 53,186.56 = 13,568 : x
2. Step 2: Convert to fraction form
   35,456/53,186.56 = 13,568/x
3. Step 3: Cross multiply
   35,456x = 53,186.56 × 13,568
4. Step 4: Simplify right side
   35,456x = 721,635,246.08
5. Step 5: Solve for x
   x = 721,635,246.08/35,456
6. Step 6: Final answer
   x = 20,352.98