Finding the Fourth Proportional to 231,675, 319,709.34 and 131,073

Step by Step Solution

1. Step 1: Write the proportion equation
   231,675 : 319,709.34 = 131,073 : x
2. Step 2: Convert to fraction form
   231,675/319,709.34 = 131,073/x
3. Step 3: Cross multiply
   231,675x = 319,709.34 × 131,073
4. Step 4: Simplify right side
   231,675x = 41,905,262,321.82
5. Step 5: Solve for x
   x = 41,905,262,321.82/231,675
6. Step 6: Final answer
   x = 180,879.52