Finding the Fourth Proportional to 85,162.72, 117,525.69 and 47,436.97

Step by Step Solution

1. Step 1: Write the proportion equation
   85,162.72 : 117,525.69 = 47,436.97 : x
2. Step 2: Convert to fraction form
   85,162.72/117,525.69 = 47,436.97/x
3. Step 3: Cross multiply
   85,162.72x = 117,525.69 × 47,436.97
4. Step 4: Simplify right side
   85,162.72x = 5,575,062,630.76
5. Step 5: Solve for x
   x = 5,575,062,630.76/85,162.72
6. Step 6: Final answer
   x = 65,463.65