Finding the Fourth Proportional to 111,727.82, 154,167.06 and 66,388.94

Step by Step Solution

1. Step 1: Write the proportion equation
   111,727.82 : 154,167.06 = 66,388.94 : x
2. Step 2: Convert to fraction form
   111,727.82/154,167.06 = 66,388.94/x
3. Step 3: Cross multiply
   111,727.82x = 154,167.06 × 66,388.94
4. Step 4: Simplify right side
   111,727.82x = 10,234,987,696.32
5. Step 5: Solve for x
   x = 10,234,987,696.32/111,727.82
6. Step 6: Final answer
   x = 91,606.44