Finding the Fourth Proportional to 774,705.82, 1,068,918.86 and 468,774.50

Step by Step Solution

1. Step 1: Write the proportion equation
   774,705.82 : 1,068,918.86 = 468,774.50 : x
2. Step 2: Convert to fraction form
   774,705.82/1,068,918.86 = 468,774.50/x
3. Step 3: Cross multiply
   774,705.82x = 1,068,918.86 × 468,774.50
4. Step 4: Simplify right side
   774,705.82x = 501,081,904,137.07
5. Step 5: Solve for x
   x = 501,081,904,137.07/774,705.82
6. Step 6: Final answer
   x = 646,802.81