Finding the Fourth Proportional to 83,015.48, 114,564.56 and 47,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,015.48 : 114,564.56 = 47,208.72 : x
2. Step 2: Convert to fraction form
   83,015.48/114,564.56 = 47,208.72/x
3. Step 3: Cross multiply
   83,015.48x = 114,564.56 × 47,208.72
4. Step 4: Simplify right side
   83,015.48x = 5,408,446,234.96
5. Step 5: Solve for x
   x = 5,408,446,234.96/83,015.48
6. Step 6: Final answer
   x = 65,149.85