Finding the Fourth Proportional to 58,849.69, 81,186.34 and 39,209.52

Step by Step Solution

1. Step 1: Write the proportion equation
   58,849.69 : 81,186.34 = 39,209.52 : x
2. Step 2: Convert to fraction form
   58,849.69/81,186.34 = 39,209.52/x
3. Step 3: Cross multiply
   58,849.69x = 81,186.34 × 39,209.52
4. Step 4: Simplify right side
   58,849.69x = 3,183,277,016.03
5. Step 5: Solve for x
   x = 3,183,277,016.03/58,849.69
6. Step 6: Final answer
   x = 54,091.66