Finding the Fourth Proportional to 518,061.37, 714,651.02 and 356,636.17

Step by Step Solution

1. Step 1: Write the proportion equation
   518,061.37 : 714,651.02 = 356,636.17 : x
2. Step 2: Convert to fraction form
   518,061.37/714,651.02 = 356,636.17/x
3. Step 3: Cross multiply
   518,061.37x = 714,651.02 × 356,636.17
4. Step 4: Simplify right side
   518,061.37x = 254,870,402,098.06
5. Step 5: Solve for x
   x = 254,870,402,098.06/518,061.37
6. Step 6: Final answer
   x = 491,969.52