Finding the Fourth Proportional to 231,947.50, 320,087.55 and 131,364.94

Step by Step Solution

1. Step 1: Write the proportion equation
   231,947.50 : 320,087.55 = 131,364.94 : x
2. Step 2: Convert to fraction form
   231,947.50/320,087.55 = 131,364.94/x
3. Step 3: Cross multiply
   231,947.50x = 320,087.55 × 131,364.94
4. Step 4: Simplify right side
   231,947.50x = 42,048,281,800.50
5. Step 5: Solve for x
   x = 42,048,281,800.50/231,947.50
6. Step 6: Final answer
   x = 181,283.62