Finding the Fourth Proportional to 53,531.54, 73,871.57 and 30,871.49

Step by Step Solution

1. Step 1: Write the proportion equation
   53,531.54 : 73,871.57 = 30,871.49 : x
2. Step 2: Convert to fraction form
   53,531.54/73,871.57 = 30,871.49/x
3. Step 3: Cross multiply
   53,531.54x = 73,871.57 × 30,871.49
4. Step 4: Simplify right side
   53,531.54x = 2,280,524,910.82
5. Step 5: Solve for x
   x = 2,280,524,910.82/53,531.54
6. Step 6: Final answer
   x = 42,601.52