Finding the Fourth Proportional to 108,663.95, 150,005.34 and 68,436.81

Step by Step Solution

1. Step 1: Write the proportion equation
   108,663.95 : 150,005.34 = 68,436.81 : x
2. Step 2: Convert to fraction form
   108,663.95/150,005.34 = 68,436.81/x
3. Step 3: Cross multiply
   108,663.95x = 150,005.34 × 68,436.81
4. Step 4: Simplify right side
   108,663.95x = 10,265,886,952.57
5. Step 5: Solve for x
   x = 10,265,886,952.57/108,663.95
6. Step 6: Final answer
   x = 94,473.72