Finding the Fourth Proportional to 2,805,241.55, 3,869,438.24 and 1,945,488.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805,241.55 : 3,869,438.24 = 1,945,488.11 : x
2. Step 2: Convert to fraction form
   2,805,241.55/3,869,438.24 = 1,945,488.11/x
3. Step 3: Cross multiply
   2,805,241.55x = 3,869,438.24 × 1,945,488.11
4. Step 4: Simplify right side
   2,805,241.55x = 7,527,946,073,815.86
5. Step 5: Solve for x
   x = 7,527,946,073,815.86/2,805,241.55
6. Step 6: Final answer
   x = 2,683,528.66