Finding the Fourth Proportional to 162,789.60, 244,443.60 and 110,431.20

Step by Step Solution

1. Step 1: Write the proportion equation
   162,789.60 : 244,443.60 = 110,431.20 : x
2. Step 2: Convert to fraction form
   162,789.60/244,443.60 = 110,431.20/x
3. Step 3: Cross multiply
   162,789.60x = 244,443.60 × 110,431.20
4. Step 4: Simplify right side
   162,789.60x = 26,994,200,080.32
5. Step 5: Solve for x
   x = 26,994,200,080.32/162,789.60
6. Step 6: Final answer
   x = 165,822.63