Finding the Fourth Proportional to 108,663.49, 150,028.42 and 67,889.69

Step by Step Solution

1. Step 1: Write the proportion equation
   108,663.49 : 150,028.42 = 67,889.69 : x
2. Step 2: Convert to fraction form
   108,663.49/150,028.42 = 67,889.69/x
3. Step 3: Cross multiply
   108,663.49x = 150,028.42 × 67,889.69
4. Step 4: Simplify right side
   108,663.49x = 10,185,382,174.85
5. Step 5: Solve for x
   x = 10,185,382,174.85/108,663.49
6. Step 6: Final answer
   x = 93,733.25