Finding the Fourth Proportional to 86,892.25, 119,911.31 and 47,148.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,892.25 : 119,911.31 = 47,148.25 : x
2. Step 2: Convert to fraction form
   86,892.25/119,911.31 = 47,148.25/x
3. Step 3: Cross multiply
   86,892.25x = 119,911.31 × 47,148.25
4. Step 4: Simplify right side
   86,892.25x = 5,653,608,185.97
5. Step 5: Solve for x
   x = 5,653,608,185.97/86,892.25
6. Step 6: Final answer
   x = 65,064.59