Finding the Fourth Proportional to 111,414.91, 167,039.24 and 67,031.26

Step by Step Solution

1. Step 1: Write the proportion equation
   111,414.91 : 167,039.24 = 67,031.26 : x
2. Step 2: Convert to fraction form
   111,414.91/167,039.24 = 67,031.26/x
3. Step 3: Cross multiply
   111,414.91x = 167,039.24 × 67,031.26
4. Step 4: Simplify right side
   111,414.91x = 11,196,849,891.45
5. Step 5: Solve for x
   x = 11,196,849,891.45/111,414.91
6. Step 6: Final answer
   x = 100,496.88