Finding the Fourth Proportional to 111,456.06, 167,226.78 and 67,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456.06 : 167,226.78 = 67,114.50 : x
2. Step 2: Convert to fraction form
   111,456.06/167,226.78 = 67,114.50/x
3. Step 3: Cross multiply
   111,456.06x = 167,226.78 × 67,114.50
4. Step 4: Simplify right side
   111,456.06x = 11,223,341,726.31
5. Step 5: Solve for x
   x = 11,223,341,726.31/111,456.06
6. Step 6: Final answer
   x = 100,697.46