Finding the Fourth Proportional to 86,012.82, 118,693.59 and 47,774.80

Step by Step Solution

1. Step 1: Write the proportion equation
   86,012.82 : 118,693.59 = 47,774.80 : x
2. Step 2: Convert to fraction form
   86,012.82/118,693.59 = 47,774.80/x
3. Step 3: Cross multiply
   86,012.82x = 118,693.59 × 47,774.80
4. Step 4: Simplify right side
   86,012.82x = 5,670,562,523.53
5. Step 5: Solve for x
   x = 5,670,562,523.53/86,012.82
6. Step 6: Final answer
   x = 65,926.95