Finding the Fourth Proportional to 117,496.88, 162,145.89 and 63,781.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117,496.88 : 162,145.89 = 63,781.94 : x
2. Step 2: Convert to fraction form
   117,496.88/162,145.89 = 63,781.94/x
3. Step 3: Cross multiply
   117,496.88x = 162,145.89 × 63,781.94
4. Step 4: Simplify right side
   117,496.88x = 10,341,978,616.50
5. Step 5: Solve for x
   x = 10,341,978,616.50/117,496.88
6. Step 6: Final answer
   x = 88,019.18