Finding the Fourth Proportional to 116,274.13, 174,189.31 and 78,769.82

Step by Step Solution

1. Step 1: Write the proportion equation
   116,274.13 : 174,189.31 = 78,769.82 : x
2. Step 2: Convert to fraction form
   116,274.13/174,189.31 = 78,769.82/x
3. Step 3: Cross multiply
   116,274.13x = 174,189.31 × 78,769.82
4. Step 4: Simplify right side
   116,274.13x = 13,720,860,074.90
5. Step 5: Solve for x
   x = 13,720,860,074.90/116,274.13
6. Step 6: Final answer
   x = 118,004.41