Finding the Fourth Proportional to 117,822.92, 162,643.02 and 80,120.12

Step by Step Solution

1. Step 1: Write the proportion equation
   117,822.92 : 162,643.02 = 80,120.12 : x
2. Step 2: Convert to fraction form
   117,822.92/162,643.02 = 80,120.12/x
3. Step 3: Cross multiply
   117,822.92x = 162,643.02 × 80,120.12
4. Step 4: Simplify right side
   117,822.92x = 13,030,978,279.56
5. Step 5: Solve for x
   x = 13,030,978,279.56/117,822.92
6. Step 6: Final answer
   x = 110,597.99