Finding the Fourth Proportional to 766,651.68, 1,144,587 and 585,790.56

Step by Step Solution

1. Step 1: Write the proportion equation
   766,651.68 : 1,144,587 = 585,790.56 : x
2. Step 2: Convert to fraction form
   766,651.68/1,144,587 = 585,790.56/x
3. Step 3: Cross multiply
   766,651.68x = 1,144,587 × 585,790.56
4. Step 4: Simplify right side
   766,651.68x = 670,488,259,698.72
5. Step 5: Solve for x
   x = 670,488,259,698.72/766,651.68
6. Step 6: Final answer
   x = 874,567.00