Finding the Fourth Proportional to 85,421.82, 117,882.32 and 47,697.42

Step by Step Solution

1. Step 1: Write the proportion equation
   85,421.82 : 117,882.32 = 47,697.42 : x
2. Step 2: Convert to fraction form
   85,421.82/117,882.32 = 47,697.42/x
3. Step 3: Cross multiply
   85,421.82x = 117,882.32 × 47,697.42
4. Step 4: Simplify right side
   85,421.82x = 5,622,682,527.61
5. Step 5: Solve for x
   x = 5,622,682,527.61/85,421.82
6. Step 6: Final answer
   x = 65,822.56