Finding the Fourth Proportional to 82,902.37, 114,429.68 and 71,692.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,902.37 : 114,429.68 = 71,692.31 : x
2. Step 2: Convert to fraction form
   82,902.37/114,429.68 = 71,692.31/x
3. Step 3: Cross multiply
   82,902.37x = 114,429.68 × 71,692.31
4. Step 4: Simplify right side
   82,902.37x = 8,203,728,091.76
5. Step 5: Solve for x
   x = 8,203,728,091.76/82,902.37
6. Step 6: Final answer
   x = 98,956.50