Finding the Fourth Proportional to 171,398.82, 236,502.24 and 107,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,398.82 : 236,502.24 = 107,691.50 : x
2. Step 2: Convert to fraction form
   171,398.82/236,502.24 = 107,691.50/x
3. Step 3: Cross multiply
   171,398.82x = 236,502.24 × 107,691.50
4. Step 4: Simplify right side
   171,398.82x = 25,469,280,978.96
5. Step 5: Solve for x
   x = 25,469,280,978.96/171,398.82
6. Step 6: Final answer
   x = 148,596.59