Finding the Fourth Proportional to 362,449.38, 499,978.58 and 336,790.71

Step by Step Solution

1. Step 1: Write the proportion equation
   362,449.38 : 499,978.58 = 336,790.71 : x
2. Step 2: Convert to fraction form
   362,449.38/499,978.58 = 336,790.71/x
3. Step 3: Cross multiply
   362,449.38x = 499,978.58 × 336,790.71
4. Step 4: Simplify right side
   362,449.38x = 168,388,139,259.04
5. Step 5: Solve for x
   x = 168,388,139,259.04/362,449.38
6. Step 6: Final answer
   x = 464,583.88