Finding the Fourth Proportional to 85,162.72, 117,528.18 and 47,436.96

Step by Step Solution

1. Step 1: Write the proportion equation
   85,162.72 : 117,528.18 = 47,436.96 : x
2. Step 2: Convert to fraction form
   85,162.72/117,528.18 = 47,436.96/x
3. Step 3: Cross multiply
   85,162.72x = 117,528.18 × 47,436.96
4. Step 4: Simplify right side
   85,162.72x = 5,575,179,573.53
5. Step 5: Solve for x
   x = 5,575,179,573.53/85,162.72
6. Step 6: Final answer
   x = 65,465.02