Finding the Fourth Proportional to 38,509.49, 53,120.91 and 23,185.37

Step by Step Solution

1. Step 1: Write the proportion equation
   38,509.49 : 53,120.91 = 23,185.37 : x
2. Step 2: Convert to fraction form
   38,509.49/53,120.91 = 23,185.37/x
3. Step 3: Cross multiply
   38,509.49x = 53,120.91 × 23,185.37
4. Step 4: Simplify right side
   38,509.49x = 1,231,628,085.89
5. Step 5: Solve for x
   x = 1,231,628,085.89/38,509.49
6. Step 6: Final answer
   x = 31,982.45