Finding the Fourth Proportional to 236,971.89, 355,142.48 and 116,845.47

Step by Step Solution

1. Step 1: Write the proportion equation
   236,971.89 : 355,142.48 = 116,845.47 : x
2. Step 2: Convert to fraction form
   236,971.89/355,142.48 = 116,845.47/x
3. Step 3: Cross multiply
   236,971.89x = 355,142.48 × 116,845.47
4. Step 4: Simplify right side
   236,971.89x = 41,496,789,408.34
5. Step 5: Solve for x
   x = 41,496,789,408.34/236,971.89
6. Step 6: Final answer
   x = 175,112.71