Finding the Fourth Proportional to 231,667.28, 319,728.84 and 131,045.84

Step by Step Solution

1. Step 1: Write the proportion equation
   231,667.28 : 319,728.84 = 131,045.84 : x
2. Step 2: Convert to fraction form
   231,667.28/319,728.84 = 131,045.84/x
3. Step 3: Cross multiply
   231,667.28x = 319,728.84 × 131,045.84
4. Step 4: Simplify right side
   231,667.28x = 41,899,134,410.03
5. Step 5: Solve for x
   x = 41,899,134,410.03/231,667.28
6. Step 6: Final answer
   x = 180,859.09