Finding the Fourth Proportional to 766,642.68, 1,144,573.59 and 585,781.56

Step by Step Solution

1. Step 1: Write the proportion equation
   766,642.68 : 1,144,573.59 = 585,781.56 : x
2. Step 2: Convert to fraction form
   766,642.68/1,144,573.59 = 585,781.56/x
3. Step 3: Cross multiply
   766,642.68x = 1,144,573.59 × 585,781.56
4. Step 4: Simplify right side
   766,642.68x = 670,470,103,085.00
5. Step 5: Solve for x
   x = 670,470,103,085.00/766,642.68
6. Step 6: Final answer
   x = 874,553.58