Finding the Fourth Proportional to 118,878.82, 164,052.46 and 71,132.15

Step by Step Solution

1. Step 1: Write the proportion equation
   118,878.82 : 164,052.46 = 71,132.15 : x
2. Step 2: Convert to fraction form
   118,878.82/164,052.46 = 71,132.15/x
3. Step 3: Cross multiply
   118,878.82x = 164,052.46 × 71,132.15
4. Step 4: Simplify right side
   118,878.82x = 11,669,404,192.59
5. Step 5: Solve for x
   x = 11,669,404,192.59/118,878.82
6. Step 6: Final answer
   x = 98,162.18