Finding the Fourth Proportional to 2,116,375.84, 3,174,683.60 and 677,185.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,375.84 : 3,174,683.60 = 677,185.76 : x
2. Step 2: Convert to fraction form
   2,116,375.84/3,174,683.60 = 677,185.76/x
3. Step 3: Cross multiply
   2,116,375.84x = 3,174,683.60 × 677,185.76
4. Step 4: Simplify right side
   2,116,375.84x = 2,149,850,526,425.54
5. Step 5: Solve for x
   x = 2,149,850,526,425.54/2,116,375.84
6. Step 6: Final answer
   x = 1,015,816.99