Finding the Fourth Proportional to 35,620.91, 53,436.83 and 12,241.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,620.91 : 53,436.83 = 12,241.88 : x
2. Step 2: Convert to fraction form
   35,620.91/53,436.83 = 12,241.88/x
3. Step 3: Cross multiply
   35,620.91x = 53,436.83 × 12,241.88
4. Step 4: Simplify right side
   35,620.91x = 654,166,932.05
5. Step 5: Solve for x
   x = 654,166,932.05/35,620.91
6. Step 6: Final answer
   x = 18,364.69