Finding the Fourth Proportional to 870,437.86, 1,200,896.31 and 568,806.82

Step by Step Solution

1. Step 1: Write the proportion equation
   870,437.86 : 1,200,896.31 = 568,806.82 : x
2. Step 2: Convert to fraction form
   870,437.86/1,200,896.31 = 568,806.82/x
3. Step 3: Cross multiply
   870,437.86x = 1,200,896.31 × 568,806.82
4. Step 4: Simplify right side
   870,437.86x = 683,078,010,371.62
5. Step 5: Solve for x
   x = 683,078,010,371.62/870,437.86
6. Step 6: Final answer
   x = 784,752.18