Finding the Fourth Proportional to 171,899.35, 257,901.82 and 82,056.71

Step by Step Solution

1. Step 1: Write the proportion equation
   171,899.35 : 257,901.82 = 82,056.71 : x
2. Step 2: Convert to fraction form
   171,899.35/257,901.82 = 82,056.71/x
3. Step 3: Cross multiply
   171,899.35x = 257,901.82 × 82,056.71
4. Step 4: Simplify right side
   171,899.35x = 21,162,575,291.83
5. Step 5: Solve for x
   x = 21,162,575,291.83/171,899.35
6. Step 6: Final answer
   x = 123,110.27