Finding the Fourth Proportional to 117,496.82, 162,148.56 and 63,781.85

Step by Step Solution

1. Step 1: Write the proportion equation
   117,496.82 : 162,148.56 = 63,781.85 : x
2. Step 2: Convert to fraction form
   117,496.82/162,148.56 = 63,781.85/x
3. Step 3: Cross multiply
   117,496.82x = 162,148.56 × 63,781.85
4. Step 4: Simplify right side
   117,496.82x = 10,342,135,131.64
5. Step 5: Solve for x
   x = 10,342,135,131.64/117,496.82
6. Step 6: Final answer
   x = 88,020.55