Finding the Fourth Proportional to 171,488.14, 257,306.02 and 82,808.02

Step by Step Solution

1. Step 1: Write the proportion equation
   171,488.14 : 257,306.02 = 82,808.02 : x
2. Step 2: Convert to fraction form
   171,488.14/257,306.02 = 82,808.02/x
3. Step 3: Cross multiply
   171,488.14x = 257,306.02 × 82,808.02
4. Step 4: Simplify right side
   171,488.14x = 21,307,002,164.89
5. Step 5: Solve for x
   x = 21,307,002,164.89/171,488.14
6. Step 6: Final answer
   x = 124,247.67