Finding the Fourth Proportional to 82,919, 114,431.31 and 47,115.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,919 : 114,431.31 = 47,115.08 : x
2. Step 2: Convert to fraction form
   82,919/114,431.31 = 47,115.08/x
3. Step 3: Cross multiply
   82,919x = 114,431.31 × 47,115.08
4. Step 4: Simplify right side
   82,919x = 5,391,440,325.15
5. Step 5: Solve for x
   x = 5,391,440,325.15/82,919
6. Step 6: Final answer
   x = 65,020.57