Finding the Fourth Proportional to 268,399.63, 402,665.37 and 133,527.34

Step by Step Solution

1. Step 1: Write the proportion equation
   268,399.63 : 402,665.37 = 133,527.34 : x
2. Step 2: Convert to fraction form
   268,399.63/402,665.37 = 133,527.34/x
3. Step 3: Cross multiply
   268,399.63x = 402,665.37 × 133,527.34
4. Step 4: Simplify right side
   268,399.63x = 53,766,835,766.22
5. Step 5: Solve for x
   x = 53,766,835,766.22/268,399.63
6. Step 6: Final answer
   x = 200,323.81