Finding the Fourth Proportional to 108,289.92, 162,182.56 and 105,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   108,289.92 : 162,182.56 = 105,300.48 : x
2. Step 2: Convert to fraction form
   108,289.92/162,182.56 = 105,300.48/x
3. Step 3: Cross multiply
   108,289.92x = 162,182.56 × 105,300.48
4. Step 4: Simplify right side
   108,289.92x = 17,077,901,415.63
5. Step 5: Solve for x
   x = 17,077,901,415.63/108,289.92
6. Step 6: Final answer
   x = 157,705.37