Finding the Fourth Proportional to 108,928.72, 163,667.94 and 104,500.18

Step by Step Solution

1. Step 1: Write the proportion equation
   108,928.72 : 163,667.94 = 104,500.18 : x
2. Step 2: Convert to fraction form
   108,928.72/163,667.94 = 104,500.18/x
3. Step 3: Cross multiply
   108,928.72x = 163,667.94 × 104,500.18
4. Step 4: Simplify right side
   108,928.72x = 17,103,329,190.23
5. Step 5: Solve for x
   x = 17,103,329,190.23/108,928.72
6. Step 6: Final answer
   x = 157,013.96