Finding the Fourth Proportional to 2,669,109, 3,993,618.78 and 1,871,946.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669,109 : 3,993,618.78 = 1,871,946.60 : x
2. Step 2: Convert to fraction form
   2,669,109/3,993,618.78 = 1,871,946.60/x
3. Step 3: Cross multiply
   2,669,109x = 3,993,618.78 × 1,871,946.60
4. Step 4: Simplify right side
   2,669,109x = 7,475,841,096,917.15
5. Step 5: Solve for x
   x = 7,475,841,096,917.15/2,669,109
6. Step 6: Final answer
   x = 2,800,875.16