Finding the Fourth Proportional to 2,907,559.60, 4,361,338.34 and 777,588.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907,559.60 : 4,361,338.34 = 777,588.34 : x
2. Step 2: Convert to fraction form
   2,907,559.60/4,361,338.34 = 777,588.34/x
3. Step 3: Cross multiply
   2,907,559.60x = 4,361,338.34 × 777,588.34
4. Step 4: Simplify right side
   2,907,559.60x = 3,391,325,839,978.96
5. Step 5: Solve for x
   x = 3,391,325,839,978.96/2,907,559.60
6. Step 6: Final answer
   x = 1,166,382.23