Finding the Fourth Proportional to 159,443.25, 220,015.72 and 98,179.62

Step by Step Solution

1. Step 1: Write the proportion equation
   159,443.25 : 220,015.72 = 98,179.62 : x
2. Step 2: Convert to fraction form
   159,443.25/220,015.72 = 98,179.62/x
3. Step 3: Cross multiply
   159,443.25x = 220,015.72 × 98,179.62
4. Step 4: Simplify right side
   159,443.25x = 21,601,059,538.18
5. Step 5: Solve for x
   x = 21,601,059,538.18/159,443.25
6. Step 6: Final answer
   x = 135,478.04