Finding the Fourth Proportional to 81,995.28, 113,114.82 and 47,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,995.28 : 113,114.82 = 47,982.72 : x
2. Step 2: Convert to fraction form
   81,995.28/113,114.82 = 47,982.72/x
3. Step 3: Cross multiply
   81,995.28x = 113,114.82 × 47,982.72
4. Step 4: Simplify right side
   81,995.28x = 5,427,556,735.91
5. Step 5: Solve for x
   x = 5,427,556,735.91/81,995.28
6. Step 6: Final answer
   x = 66,193.53