Finding the Fourth Proportional to 171,559.82, 257,103.05 and 123,794.31

Step by Step Solution

1. Step 1: Write the proportion equation
   171,559.82 : 257,103.05 = 123,794.31 : x
2. Step 2: Convert to fraction form
   171,559.82/257,103.05 = 123,794.31/x
3. Step 3: Cross multiply
   171,559.82x = 257,103.05 × 123,794.31
4. Step 4: Simplify right side
   171,559.82x = 31,827,894,054.67
5. Step 5: Solve for x
   x = 31,827,894,054.67/171,559.82
6. Step 6: Final answer
   x = 185,520.68