Finding the Fourth Proportional to 35,783.35, 53,654.78 and 13,597.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,783.35 : 53,654.78 = 13,597.45 : x
2. Step 2: Convert to fraction form
   35,783.35/53,654.78 = 13,597.45/x
3. Step 3: Cross multiply
   35,783.35x = 53,654.78 × 13,597.45
4. Step 4: Simplify right side
   35,783.35x = 729,568,120.32
5. Step 5: Solve for x
   x = 729,568,120.32/35,783.35
6. Step 6: Final answer
   x = 20,388.48