Finding the Fourth Proportional to 120,111.92, 165,770.34 and 116,168.84

Step by Step Solution

1. Step 1: Write the proportion equation
   120,111.92 : 165,770.34 = 116,168.84 : x
2. Step 2: Convert to fraction form
   120,111.92/165,770.34 = 116,168.84/x
3. Step 3: Cross multiply
   120,111.92x = 165,770.34 × 116,168.84
4. Step 4: Simplify right side
   120,111.92x = 19,257,348,104.21
5. Step 5: Solve for x
   x = 19,257,348,104.21/120,111.92
6. Step 6: Final answer
   x = 160,328.37