Finding the Fourth Proportional to 855,105.69, 1,179,531.69 and 564,719.94

Step by Step Solution

1. Step 1: Write the proportion equation
   855,105.69 : 1,179,531.69 = 564,719.94 : x
2. Step 2: Convert to fraction form
   855,105.69/1,179,531.69 = 564,719.94/x
3. Step 3: Cross multiply
   855,105.69x = 1,179,531.69 × 564,719.94
4. Step 4: Simplify right side
   855,105.69x = 666,105,065,204.90
5. Step 5: Solve for x
   x = 666,105,065,204.90/855,105.69
6. Step 6: Final answer
   x = 778,973.96