Finding the Fourth Proportional to 86,011.34, 118,698.42 and 47,771.35

Step by Step Solution

1. Step 1: Write the proportion equation
   86,011.34 : 118,698.42 = 47,771.35 : x
2. Step 2: Convert to fraction form
   86,011.34/118,698.42 = 47,771.35/x
3. Step 3: Cross multiply
   86,011.34x = 118,698.42 × 47,771.35
4. Step 4: Simplify right side
   86,011.34x = 5,670,383,766.27
5. Step 5: Solve for x
   x = 5,670,383,766.27/86,011.34
6. Step 6: Final answer
   x = 65,926.00