Finding the Fourth Proportional to 171,417.95, 257,292.78 and 82,733.89

Step by Step Solution

1. Step 1: Write the proportion equation
   171,417.95 : 257,292.78 = 82,733.89 : x
2. Step 2: Convert to fraction form
   171,417.95/257,292.78 = 82,733.89/x
3. Step 3: Cross multiply
   171,417.95x = 257,292.78 × 82,733.89
4. Step 4: Simplify right side
   171,417.95x = 21,286,831,604.83
5. Step 5: Solve for x
   x = 21,286,831,604.83/171,417.95
6. Step 6: Final answer
   x = 124,180.88