Finding the Fourth Proportional to 2,805,189.74, 3,869,366.74 and 1,945,436.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805,189.74 : 3,869,366.74 = 1,945,436.30 : x
2. Step 2: Convert to fraction form
   2,805,189.74/3,869,366.74 = 1,945,436.30/x
3. Step 3: Cross multiply
   2,805,189.74x = 3,869,366.74 × 1,945,436.30
4. Step 4: Simplify right side
   2,805,189.74x = 7,527,606,494,661.83
5. Step 5: Solve for x
   x = 7,527,606,494,661.83/2,805,189.74
6. Step 6: Final answer
   x = 2,683,457.17