Finding the Fourth Proportional to 231,705.29, 319,758.15 and 131,103.29

Step by Step Solution

1. Step 1: Write the proportion equation
   231,705.29 : 319,758.15 = 131,103.29 : x
2. Step 2: Convert to fraction form
   231,705.29/319,758.15 = 131,103.29/x
3. Step 3: Cross multiply
   231,705.29x = 319,758.15 × 131,103.29
4. Step 4: Simplify right side
   231,705.29x = 41,921,345,469.31
5. Step 5: Solve for x
   x = 41,921,345,469.31/231,705.29
6. Step 6: Final answer
   x = 180,925.28