Finding the Fourth Proportional to 117,431.82, 162,054.63 and 63,718.02

Step by Step Solution

1. Step 1: Write the proportion equation
   117,431.82 : 162,054.63 = 63,718.02 : x
2. Step 2: Convert to fraction form
   117,431.82/162,054.63 = 63,718.02/x
3. Step 3: Cross multiply
   117,431.82x = 162,054.63 × 63,718.02
4. Step 4: Simplify right side
   117,431.82x = 10,325,800,155.43
5. Step 5: Solve for x
   x = 10,325,800,155.43/117,431.82
6. Step 6: Final answer
   x = 87,930.17