Finding the Fourth Proportional to 518,335.59, 715,667.83 and 363,615.82

Step by Step Solution

1. Step 1: Write the proportion equation
   518,335.59 : 715,667.83 = 363,615.82 : x
2. Step 2: Convert to fraction form
   518,335.59/715,667.83 = 363,615.82/x
3. Step 3: Cross multiply
   518,335.59x = 715,667.83 × 363,615.82
4. Step 4: Simplify right side
   518,335.59x = 260,228,143,034.99
5. Step 5: Solve for x
   x = 260,228,143,034.99/518,335.59
6. Step 6: Final answer
   x = 502,045.68