Finding the Fourth Proportional to 171,907.57, 257,914.16 and 82,064.94

Step by Step Solution

1. Step 1: Write the proportion equation
   171,907.57 : 257,914.16 = 82,064.94 : x
2. Step 2: Convert to fraction form
   171,907.57/257,914.16 = 82,064.94/x
3. Step 3: Cross multiply
   171,907.57x = 257,914.16 × 82,064.94
4. Step 4: Simplify right side
   171,907.57x = 21,165,710,065.55
5. Step 5: Solve for x
   x = 21,165,710,065.55/171,907.57
6. Step 6: Final answer
   x = 123,122.62