Finding the Fourth Proportional to 231,976.86, 320,118.39 and 131,374.86

Step by Step Solution

1. Step 1: Write the proportion equation
   231,976.86 : 320,118.39 = 131,374.86 : x
2. Step 2: Convert to fraction form
   231,976.86/320,118.39 = 131,374.86/x
3. Step 3: Cross multiply
   231,976.86x = 320,118.39 × 131,374.86
4. Step 4: Simplify right side
   231,976.86x = 42,055,508,669.68
5. Step 5: Solve for x
   x = 42,055,508,669.68/231,976.86
6. Step 6: Final answer
   x = 181,291.83