Finding the Fourth Proportional to 268,667.63, 370,761.32 and 147,806.31

Step by Step Solution

1. Step 1: Write the proportion equation
   268,667.63 : 370,761.32 = 147,806.31 : x
2. Step 2: Convert to fraction form
   268,667.63/370,761.32 = 147,806.31/x
3. Step 3: Cross multiply
   268,667.63x = 370,761.32 × 147,806.31
4. Step 4: Simplify right side
   268,667.63x = 54,800,861,860.90
5. Step 5: Solve for x
   x = 54,800,861,860.90/268,667.63
6. Step 6: Final answer
   x = 203,972.70