Finding the Fourth Proportional to 108,385.83, 162,368.34 and 79,871.02

Step by Step Solution

1. Step 1: Write the proportion equation
   108,385.83 : 162,368.34 = 79,871.02 : x
2. Step 2: Convert to fraction form
   108,385.83/162,368.34 = 79,871.02/x
3. Step 3: Cross multiply
   108,385.83x = 162,368.34 × 79,871.02
4. Step 4: Simplify right side
   108,385.83x = 12,968,524,126.23
5. Step 5: Solve for x
   x = 12,968,524,126.23/108,385.83
6. Step 6: Final answer
   x = 119,651.48