Finding the Fourth Proportional to 570,302.82, 787,042.71 and 315,653.94

Step by Step Solution

1. Step 1: Write the proportion equation
   570,302.82 : 787,042.71 = 315,653.94 : x
2. Step 2: Convert to fraction form
   570,302.82/787,042.71 = 315,653.94/x
3. Step 3: Cross multiply
   570,302.82x = 787,042.71 × 315,653.94
4. Step 4: Simplify right side
   570,302.82x = 248,433,132,359.78
5. Step 5: Solve for x
   x = 248,433,132,359.78/570,302.82
6. Step 6: Final answer
   x = 435,616.17