Finding the Fourth Proportional to 117,973.92, 162,969.12 and 82,146

Step by Step Solution

1. Step 1: Write the proportion equation
   117,973.92 : 162,969.12 = 82,146 : x
2. Step 2: Convert to fraction form
   117,973.92/162,969.12 = 82,146/x
3. Step 3: Cross multiply
   117,973.92x = 162,969.12 × 82,146
4. Step 4: Simplify right side
   117,973.92x = 13,387,261,331.52
5. Step 5: Solve for x
   x = 13,387,261,331.52/117,973.92
6. Step 6: Final answer
   x = 113,476.45