Finding the Fourth Proportional to 86,227.32, 118,991.25 and 47,986.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,227.32 : 118,991.25 = 47,986.25 : x
2. Step 2: Convert to fraction form
   86,227.32/118,991.25 = 47,986.25/x
3. Step 3: Cross multiply
   86,227.32x = 118,991.25 × 47,986.25
4. Step 4: Simplify right side
   86,227.32x = 5,709,943,870.31
5. Step 5: Solve for x
   x = 5,709,943,870.31/86,227.32
6. Step 6: Final answer
   x = 66,219.66