Finding the Fourth Proportional to 171,870.69, 257,908.10 and 92,983.17

Step by Step Solution

1. Step 1: Write the proportion equation
   171,870.69 : 257,908.10 = 92,983.17 : x
2. Step 2: Convert to fraction form
   171,870.69/257,908.10 = 92,983.17/x
3. Step 3: Cross multiply
   171,870.69x = 257,908.10 × 92,983.17
4. Step 4: Simplify right side
   171,870.69x = 23,981,112,241.76
5. Step 5: Solve for x
   x = 23,981,112,241.76/171,870.69
6. Step 6: Final answer
   x = 139,529.97