Finding the Fourth Proportional to 116,161.14, 174,204.76 and 78,960.27

Step by Step Solution

1. Step 1: Write the proportion equation
   116,161.14 : 174,204.76 = 78,960.27 : x
2. Step 2: Convert to fraction form
   116,161.14/174,204.76 = 78,960.27/x
3. Step 3: Cross multiply
   116,161.14x = 174,204.76 × 78,960.27
4. Step 4: Simplify right side
   116,161.14x = 13,755,254,884.89
5. Step 5: Solve for x
   x = 13,755,254,884.89/116,161.14
6. Step 6: Final answer
   x = 118,415.29