Finding the Fourth Proportional to 2,436,136.70, 3,654,533.10 and 839,189.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,136.70 : 3,654,533.10 = 839,189.30 : x
2. Step 2: Convert to fraction form
   2,436,136.70/3,654,533.10 = 839,189.30/x
3. Step 3: Cross multiply
   2,436,136.70x = 3,654,533.10 × 839,189.30
4. Step 4: Simplify right side
   2,436,136.70x = 3,066,845,074,015.83
5. Step 5: Solve for x
   x = 3,066,845,074,015.83/2,436,136.70
6. Step 6: Final answer
   x = 1,258,896.96