Finding the Fourth Proportional to 108,385.14, 162,367.29 and 79,870.29

Step by Step Solution

1. Step 1: Write the proportion equation
   108,385.14 : 162,367.29 = 79,870.29 : x
2. Step 2: Convert to fraction form
   108,385.14/162,367.29 = 79,870.29/x
3. Step 3: Cross multiply
   108,385.14x = 162,367.29 × 79,870.29
4. Step 4: Simplify right side
   108,385.14x = 12,968,322,538.81
5. Step 5: Solve for x
   x = 12,968,322,538.81/108,385.14
6. Step 6: Final answer
   x = 119,650.37