Finding the Fourth Proportional to 231,977.86, 320,119.77 and 131,375.86

Step by Step Solution

1. Step 1: Write the proportion equation
   231,977.86 : 320,119.77 = 131,375.86 : x
2. Step 2: Convert to fraction form
   231,977.86/320,119.77 = 131,375.86/x
3. Step 3: Cross multiply
   231,977.86x = 320,119.77 × 131,375.86
4. Step 4: Simplify right side
   231,977.86x = 42,056,010,086.75
5. Step 5: Solve for x
   x = 42,056,010,086.75/231,977.86
6. Step 6: Final answer
   x = 181,293.21