Finding the Fourth Proportional to 82,883.72, 124,362.34 and 43,431.46

Step by Step Solution

1. Step 1: Write the proportion equation
   82,883.72 : 124,362.34 = 43,431.46 : x
2. Step 2: Convert to fraction form
   82,883.72/124,362.34 = 43,431.46/x
3. Step 3: Cross multiply
   82,883.72x = 124,362.34 × 43,431.46
4. Step 4: Simplify right side
   82,883.72x = 5,401,237,575.73
5. Step 5: Solve for x
   x = 5,401,237,575.73/82,883.72
6. Step 6: Final answer
   x = 65,166.45