Finding the Fourth Proportional to 53,175.37, 73,383.69 and 30,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,175.37 : 73,383.69 = 30,518.50 : x
2. Step 2: Convert to fraction form
   53,175.37/73,383.69 = 30,518.50/x
3. Step 3: Cross multiply
   53,175.37x = 73,383.69 × 30,518.50
4. Step 4: Simplify right side
   53,175.37x = 2,239,560,143.27
5. Step 5: Solve for x
   x = 2,239,560,143.27/53,175.37
6. Step 6: Final answer
   x = 42,116.49