Finding the Fourth Proportional to 171,713.31, 257,597.60 and 82,973.34

Step by Step Solution

1. Step 1: Write the proportion equation
   171,713.31 : 257,597.60 = 82,973.34 : x
2. Step 2: Convert to fraction form
   171,713.31/257,597.60 = 82,973.34/x
3. Step 3: Cross multiply
   171,713.31x = 257,597.60 × 82,973.34
4. Step 4: Simplify right side
   171,713.31x = 21,373,732,833.12
5. Step 5: Solve for x
   x = 21,373,732,833.12/171,713.31
6. Step 6: Final answer
   x = 124,473.36