Finding the Fourth Proportional to 111,938.37, 167,907.37 and 76,771.41

Step by Step Solution

1. Step 1: Write the proportion equation
   111,938.37 : 167,907.37 = 76,771.41 : x
2. Step 2: Convert to fraction form
   111,938.37/167,907.37 = 76,771.41/x
3. Step 3: Cross multiply
   111,938.37x = 167,907.37 × 76,771.41
4. Step 4: Simplify right side
   111,938.37x = 12,890,485,544.29
5. Step 5: Solve for x
   x = 12,890,485,544.29/111,938.37
6. Step 6: Final answer
   x = 115,156.99