Finding the Fourth Proportional to 484,002.72, 667,924.56 and 269,140.56

Step by Step Solution

1. Step 1: Write the proportion equation
   484,002.72 : 667,924.56 = 269,140.56 : x
2. Step 2: Convert to fraction form
   484,002.72/667,924.56 = 269,140.56/x
3. Step 3: Cross multiply
   484,002.72x = 667,924.56 × 269,140.56
4. Step 4: Simplify right side
   484,002.72x = 179,765,590,116.15
5. Step 5: Solve for x
   x = 179,765,590,116.15/484,002.72
6. Step 6: Final answer
   x = 371,414.42