Finding the Fourth Proportional to 81,983.94, 113,139.34 and 48,012.54

Step by Step Solution

1. Step 1: Write the proportion equation
   81,983.94 : 113,139.34 = 48,012.54 : x
2. Step 2: Convert to fraction form
   81,983.94/113,139.34 = 48,012.54/x
3. Step 3: Cross multiply
   81,983.94x = 113,139.34 × 48,012.54
4. Step 4: Simplify right side
   81,983.94x = 5,432,107,087.32
5. Step 5: Solve for x
   x = 5,432,107,087.32/81,983.94
6. Step 6: Final answer
   x = 66,258.19