Finding the Fourth Proportional to 103,644.72, 155,489.76 and 33,531.12

Step by Step Solution

1. Step 1: Write the proportion equation
   103,644.72 : 155,489.76 = 33,531.12 : x
2. Step 2: Convert to fraction form
   103,644.72/155,489.76 = 33,531.12/x
3. Step 3: Cross multiply
   103,644.72x = 155,489.76 × 33,531.12
4. Step 4: Simplify right side
   103,644.72x = 5,213,745,801.33
5. Step 5: Solve for x
   x = 5,213,745,801.33/103,644.72
6. Step 6: Final answer
   x = 50,304.02